638599764

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:718

約数の個数: 144

約数和(自身を含む): 1779297408

約数和(自身を除く): 1140697644

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 41, 44, 51, 66, 68, 82, 102, 121, 123, 132, 164, 187, 204, 242, 246, 363, 374, 451, 484, 492, 561, 631, 697, 726, 748, 902, 1122, 1262, 1353, 1394, 1452, 1804, 1893, 2057, 2091, 2244, 2524, 2706, 2788, 3786, 4114, 4182, 4961, 5412, 6171, 6941, 7572, 7667, 8228, 8364, 9922, 10727, 12342, 13882, 14883, 15334, 19844, 20823, 21454, 23001, 24684, 25871, 27764, 29766, 30668, 32181, 41646, 42908, 46002, 51742, 59532, 64362, 76351, 77613, 83292, 84337, 92004, 103484, 117997, 128724, 152702, 155226, 168674, 229053, 235994, 253011, 284581, 305404, 310452, 337348, 353991, 439807, 458106, 471988, 506022, 569162, 707982, 853743, 879614, 916212, 1012044, 1138324, 1297967, 1319421, 1415964, 1707486, 1759228, 2595934, 2638842, 3130391, 3414972, 3893901, 4837877, 5191868, 5277684, 6260782, 7787802, 9391173, 9675754, 12521564, 14513631, 15575604, 18782346, 19351508, 29027262, 37564692, 53216647, 58054524, 106433294, 159649941, 212866588, 319299882, 638599764]

約数ペア:

[(1, 638599764), (2, 319299882), (3, 212866588), (4, 159649941), (6, 106433294), (11, 58054524), (12, 53216647), (17, 37564692), (22, 29027262), (33, 19351508), (34, 18782346), (41, 15575604), (44, 14513631), (51, 12521564), (66, 9675754), (68, 9391173), (82, 7787802), (102, 6260782), (121, 5277684), (123, 5191868), (132, 4837877), (164, 3893901), (187, 3414972), (204, 3130391), (242, 2638842), (246, 2595934), (363, 1759228), (374, 1707486), (451, 1415964), (484, 1319421), (492, 1297967), (561, 1138324), (631, 1012044), (697, 916212), (726, 879614), (748, 853743), (902, 707982), (1122, 569162), (1262, 506022), (1353, 471988), (1394, 458106), (1452, 439807), (1804, 353991), (1893, 337348), (2057, 310452), (2091, 305404), (2244, 284581), (2524, 253011), (2706, 235994), (2788, 229053), (3786, 168674), (4114, 155226), (4182, 152702), (4961, 128724), (5412, 117997), (6171, 103484), (6941, 92004), (7572, 84337), (7667, 83292), (8228, 77613), (8364, 76351), (9922, 64362), (10727, 59532), (12342, 51742), (13882, 46002), (14883, 42908), (15334, 41646), (19844, 32181), (20823, 30668), (21454, 29766), (23001, 27764), (24684, 25871)]