123456216

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8419}}^1$

素因数の和:8488

約数の個数: 64

約数和(自身を含む): 339494400

約数和(自身を除く): 216038184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 78, 94, 104, 141, 156, 188, 282, 312, 376, 564, 611, 1128, 1222, 1833, 2444, 3666, 4888, 7332, 8419, 14664, 16838, 25257, 33676, 50514, 67352, 101028, 109447, 202056, 218894, 328341, 395693, 437788, 656682, 791386, 875576, 1187079, 1313364, 1582772, 2374158, 2626728, 3165544, 4748316, 5144009, 9496632, 10288018, 15432027, 20576036, 30864054, 41152072, 61728108, 123456216]

約数ペア:

[(1, 123456216), (2, 61728108), (3, 41152072), (4, 30864054), (6, 20576036), (8, 15432027), (12, 10288018), (13, 9496632), (24, 5144009), (26, 4748316), (39, 3165544), (47, 2626728), (52, 2374158), (78, 1582772), (94, 1313364), (104, 1187079), (141, 875576), (156, 791386), (188, 656682), (282, 437788), (312, 395693), (376, 328341), (564, 218894), (611, 202056), (1128, 109447), (1222, 101028), (1833, 67352), (2444, 50514), (3666, 33676), (4888, 25257), (7332, 16838), (8419, 14664)]