278324426

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 483840000

約数和(自身を除く): 205515574

約数列:

[1, 2, 19, 23, 29, 38, 46, 58, 79, 139, 158, 278, 437, 551, 667, 874, 1102, 1334, 1501, 1817, 2291, 2641, 3002, 3197, 3634, 4031, 4582, 5282, 6394, 8062, 10981, 12673, 21962, 25346, 34523, 43529, 52693, 60743, 69046, 76589, 87058, 92713, 105386, 121486, 153178, 185426, 208639, 252563, 318449, 417278, 505126, 636898, 1001167, 1761547, 2002334, 3523094, 4798697, 6050531, 7324327, 9597394, 12101062, 14648654, 139162213, 278324426]

約数ペア:

[(1, 278324426), (2, 139162213), (19, 14648654), (23, 12101062), (29, 9597394), (38, 7324327), (46, 6050531), (58, 4798697), (79, 3523094), (139, 2002334), (158, 1761547), (278, 1001167), (437, 636898), (551, 505126), (667, 417278), (874, 318449), (1102, 252563), (1334, 208639), (1501, 185426), (1817, 153178), (2291, 121486), (2641, 105386), (3002, 92713), (3197, 87058), (3634, 76589), (4031, 69046), (4582, 60743), (5282, 52693), (6394, 43529), (8062, 34523), (10981, 25346), (12673, 21962)]