255492705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 457970688

約数和(自身を除く): 202477983

約数列:

[1, 3, 5, 13, 15, 39, 47, 61, 65, 141, 183, 195, 235, 305, 457, 611, 705, 793, 915, 1371, 1833, 2285, 2379, 2867, 3055, 3965, 5941, 6855, 8601, 9165, 11895, 14335, 17823, 21479, 27877, 29705, 37271, 43005, 64437, 83631, 89115, 107395, 111813, 139385, 186355, 279227, 322185, 362401, 418155, 559065, 837681, 1087203, 1310219, 1396135, 1812005, 3930657, 4188405, 5436015, 6551095, 17032847, 19653285, 51098541, 85164235, 255492705]

約数ペア:

[(1, 255492705), (3, 85164235), (5, 51098541), (13, 19653285), (15, 17032847), (39, 6551095), (47, 5436015), (61, 4188405), (65, 3930657), (141, 1812005), (183, 1396135), (195, 1310219), (235, 1087203), (305, 837681), (457, 559065), (611, 418155), (705, 362401), (793, 322185), (915, 279227), (1371, 186355), (1833, 139385), (2285, 111813), (2379, 107395), (2867, 89115), (3055, 83631), (3965, 64437), (5941, 43005), (6855, 37271), (8601, 29705), (9165, 27877), (11895, 21479), (14335, 17823)]