274474775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 377975808

約数和(自身を除く): 103501033

約数列:

[1, 5, 17, 25, 31, 83, 85, 155, 251, 415, 425, 527, 775, 1255, 1411, 2075, 2573, 2635, 4267, 6275, 7055, 7781, 12865, 13175, 20833, 21335, 35275, 38905, 43741, 64325, 104165, 106675, 132277, 194525, 218705, 354161, 520825, 645823, 661385, 1093525, 1770805, 3229115, 3306925, 8854025, 10978991, 16145575, 54894955, 274474775]

約数ペア:

[(1, 274474775), (5, 54894955), (17, 16145575), (25, 10978991), (31, 8854025), (83, 3306925), (85, 3229115), (155, 1770805), (251, 1093525), (415, 661385), (425, 645823), (527, 520825), (775, 354161), (1255, 218705), (1411, 194525), (2075, 132277), (2573, 106675), (2635, 104165), (4267, 64325), (6275, 43741), (7055, 38905), (7781, 35275), (12865, 21335), (13175, 20833)]