218358792

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 646663680

約数和(自身を除く): 428304888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 31, 36, 38, 57, 62, 72, 76, 93, 114, 124, 152, 171, 186, 228, 248, 271, 279, 342, 361, 372, 456, 542, 558, 589, 684, 722, 744, 813, 1083, 1084, 1116, 1178, 1368, 1444, 1626, 1767, 2166, 2168, 2232, 2356, 2439, 2888, 3249, 3252, 3534, 4332, 4712, 4878, 5149, 5301, 6498, 6504, 7068, 8401, 8664, 9756, 10298, 10602, 11191, 12996, 14136, 15447, 16802, 19512, 20596, 21204, 22382, 25203, 25992, 30894, 33573, 33604, 41192, 42408, 44764, 46341, 50406, 61788, 67146, 67208, 75609, 89528, 92682, 97831, 100719, 100812, 123576, 134292, 151218, 159619, 185364, 195662, 201438, 201624, 268584, 293493, 302436, 319238, 370728, 391324, 402876, 478857, 586986, 604872, 638476, 782648, 805752, 880479, 957714, 1173972, 1276952, 1436571, 1760958, 1915428, 2347944, 2873142, 3032761, 3521916, 3830856, 5746284, 6065522, 7043832, 9098283, 11492568, 12131044, 18196566, 24262088, 27294849, 36393132, 54589698, 72786264, 109179396, 218358792]

約数ペア:

[(1, 218358792), (2, 109179396), (3, 72786264), (4, 54589698), (6, 36393132), (8, 27294849), (9, 24262088), (12, 18196566), (18, 12131044), (19, 11492568), (24, 9098283), (31, 7043832), (36, 6065522), (38, 5746284), (57, 3830856), (62, 3521916), (72, 3032761), (76, 2873142), (93, 2347944), (114, 1915428), (124, 1760958), (152, 1436571), (171, 1276952), (186, 1173972), (228, 957714), (248, 880479), (271, 805752), (279, 782648), (342, 638476), (361, 604872), (372, 586986), (456, 478857), (542, 402876), (558, 391324), (589, 370728), (684, 319238), (722, 302436), (744, 293493), (813, 268584), (1083, 201624), (1084, 201438), (1116, 195662), (1178, 185364), (1368, 159619), (1444, 151218), (1626, 134292), (1767, 123576), (2166, 100812), (2168, 100719), (2232, 97831), (2356, 92682), (2439, 89528), (2888, 75609), (3249, 67208), (3252, 67146), (3534, 61788), (4332, 50406), (4712, 46341), (4878, 44764), (5149, 42408), (5301, 41192), (6498, 33604), (6504, 33573), (7068, 30894), (8401, 25992), (8664, 25203), (9756, 22382), (10298, 21204), (10602, 20596), (11191, 19512), (12996, 16802), (14136, 15447)]