159499998

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1301}}^1$

素因数の和:1462

約数の個数: 72

約数和(自身を含む): 405208440

約数和(自身を除く): 245708442

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 139, 147, 278, 294, 417, 441, 834, 882, 973, 1251, 1301, 1946, 2502, 2602, 2919, 3903, 5838, 6811, 7806, 8757, 9107, 11709, 13622, 17514, 18214, 20433, 23418, 27321, 40866, 54642, 61299, 63749, 81963, 122598, 127498, 163926, 180839, 191247, 361678, 382494, 542517, 573741, 1085034, 1147482, 1265873, 1627551, 2531746, 3255102, 3797619, 7595238, 8861111, 11392857, 17722222, 22785714, 26583333, 53166666, 79749999, 159499998]

約数ペア:

[(1, 159499998), (2, 79749999), (3, 53166666), (6, 26583333), (7, 22785714), (9, 17722222), (14, 11392857), (18, 8861111), (21, 7595238), (42, 3797619), (49, 3255102), (63, 2531746), (98, 1627551), (126, 1265873), (139, 1147482), (147, 1085034), (278, 573741), (294, 542517), (417, 382494), (441, 361678), (834, 191247), (882, 180839), (973, 163926), (1251, 127498), (1301, 122598), (1946, 81963), (2502, 63749), (2602, 61299), (2919, 54642), (3903, 40866), (5838, 27321), (6811, 23418), (7806, 20433), (8757, 18214), (9107, 17514), (11709, 13622)]