311918652

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 884991744

約数和(自身を除く): 573073092

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 41, 51, 62, 68, 82, 93, 102, 123, 124, 153, 164, 186, 204, 246, 279, 306, 369, 372, 401, 492, 527, 558, 612, 697, 738, 802, 1054, 1116, 1203, 1271, 1394, 1476, 1581, 1604, 2091, 2108, 2406, 2542, 2788, 3162, 3609, 3813, 4182, 4743, 4812, 5084, 6273, 6324, 6817, 7218, 7626, 8364, 9486, 11439, 12431, 12546, 13634, 14436, 15252, 16441, 18972, 20451, 21607, 22878, 24862, 25092, 27268, 32882, 37293, 40902, 43214, 45756, 49323, 49724, 61353, 64821, 65764, 74586, 81804, 86428, 98646, 111879, 122706, 129642, 147969, 149172, 194463, 197292, 211327, 223758, 245412, 259284, 279497, 295938, 388926, 422654, 447516, 509671, 558994, 591876, 633981, 777852, 838491, 845308, 1019342, 1117988, 1267962, 1529013, 1676982, 1901943, 2038684, 2515473, 2535924, 3058026, 3353964, 3803886, 4587039, 5030946, 6116052, 7607772, 8664407, 9174078, 10061892, 17328814, 18348156, 25993221, 34657628, 51986442, 77979663, 103972884, 155959326, 311918652]

約数ペア:

[(1, 311918652), (2, 155959326), (3, 103972884), (4, 77979663), (6, 51986442), (9, 34657628), (12, 25993221), (17, 18348156), (18, 17328814), (31, 10061892), (34, 9174078), (36, 8664407), (41, 7607772), (51, 6116052), (62, 5030946), (68, 4587039), (82, 3803886), (93, 3353964), (102, 3058026), (123, 2535924), (124, 2515473), (153, 2038684), (164, 1901943), (186, 1676982), (204, 1529013), (246, 1267962), (279, 1117988), (306, 1019342), (369, 845308), (372, 838491), (401, 777852), (492, 633981), (527, 591876), (558, 558994), (612, 509671), (697, 447516), (738, 422654), (802, 388926), (1054, 295938), (1116, 279497), (1203, 259284), (1271, 245412), (1394, 223758), (1476, 211327), (1581, 197292), (1604, 194463), (2091, 149172), (2108, 147969), (2406, 129642), (2542, 122706), (2788, 111879), (3162, 98646), (3609, 86428), (3813, 81804), (4182, 74586), (4743, 65764), (4812, 64821), (5084, 61353), (6273, 49724), (6324, 49323), (6817, 45756), (7218, 43214), (7626, 40902), (8364, 37293), (9486, 32882), (11439, 27268), (12431, 25092), (12546, 24862), (13634, 22878), (14436, 21607), (15252, 20451), (16441, 18972)]