254758465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 356751360

約数和(自身を除く): 101992895

約数列:

[1, 5, 13, 23, 31, 65, 115, 155, 239, 299, 403, 529, 713, 1195, 1495, 2015, 2645, 3107, 3565, 5497, 6877, 7409, 9269, 15535, 16399, 27485, 34385, 37045, 46345, 71461, 81995, 96317, 126431, 170407, 213187, 357305, 481585, 632155, 852035, 1065935, 1643603, 2215291, 3919361, 8218015, 11076455, 19596805, 50951693, 254758465]

約数ペア:

[(1, 254758465), (5, 50951693), (13, 19596805), (23, 11076455), (31, 8218015), (65, 3919361), (115, 2215291), (155, 1643603), (239, 1065935), (299, 852035), (403, 632155), (529, 481585), (713, 357305), (1195, 213187), (1495, 170407), (2015, 126431), (2645, 96317), (3107, 81995), (3565, 71461), (5497, 46345), (6877, 37045), (7409, 34385), (9269, 27485), (15535, 16399)]