31159908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 85612800

約数和(自身を除く): 54452892

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 417, 468, 479, 556, 834, 958, 1251, 1437, 1668, 1807, 1916, 2502, 2874, 3614, 4311, 5004, 5421, 5748, 6227, 7228, 8622, 10842, 12454, 16263, 17244, 18681, 21684, 24908, 32526, 37362, 56043, 65052, 66581, 74724, 112086, 133162, 199743, 224172, 266324, 399486, 599229, 798972, 865553, 1198458, 1731106, 2396916, 2596659, 3462212, 5193318, 7789977, 10386636, 15579954, 31159908]

約数ペア:

[(1, 31159908), (2, 15579954), (3, 10386636), (4, 7789977), (6, 5193318), (9, 3462212), (12, 2596659), (13, 2396916), (18, 1731106), (26, 1198458), (36, 865553), (39, 798972), (52, 599229), (78, 399486), (117, 266324), (139, 224172), (156, 199743), (234, 133162), (278, 112086), (417, 74724), (468, 66581), (479, 65052), (556, 56043), (834, 37362), (958, 32526), (1251, 24908), (1437, 21684), (1668, 18681), (1807, 17244), (1916, 16263), (2502, 12454), (2874, 10842), (3614, 8622), (4311, 7228), (5004, 6227), (5421, 5748)]