85281448

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 190425600

約数和(自身を除く): 105144152

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 79, 148, 158, 259, 296, 316, 518, 521, 553, 632, 1036, 1042, 1106, 2072, 2084, 2212, 2923, 3647, 4168, 4424, 5846, 7294, 11692, 14588, 19277, 20461, 23384, 29176, 38554, 40922, 41159, 77108, 81844, 82318, 134939, 154216, 163688, 164636, 269878, 288113, 329272, 539756, 576226, 1079512, 1152452, 1522883, 2304904, 3045766, 6091532, 10660181, 12183064, 21320362, 42640724, 85281448]

約数ペア:

[(1, 85281448), (2, 42640724), (4, 21320362), (7, 12183064), (8, 10660181), (14, 6091532), (28, 3045766), (37, 2304904), (56, 1522883), (74, 1152452), (79, 1079512), (148, 576226), (158, 539756), (259, 329272), (296, 288113), (316, 269878), (518, 164636), (521, 163688), (553, 154216), (632, 134939), (1036, 82318), (1042, 81844), (1106, 77108), (2072, 41159), (2084, 40922), (2212, 38554), (2923, 29176), (3647, 23384), (4168, 20461), (4424, 19277), (5846, 14588), (7294, 11692)]