129397775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{107}}^1$

素因数の和:252

約数の個数: 36

約数和(自身を含む): 177316776

約数和(自身を除く): 47919001

約数列:

[1, 5, 13, 25, 61, 65, 107, 305, 325, 535, 793, 1391, 1525, 2675, 3721, 3965, 6527, 6955, 18605, 19825, 32635, 34775, 48373, 84851, 93025, 163175, 241865, 398147, 424255, 1209325, 1990735, 2121275, 5175911, 9953675, 25879555, 129397775]

約数ペア:

[(1, 129397775), (5, 25879555), (13, 9953675), (25, 5175911), (61, 2121275), (65, 1990735), (107, 1209325), (305, 424255), (325, 398147), (535, 241865), (793, 163175), (1391, 93025), (1525, 84851), (2675, 48373), (3721, 34775), (3965, 32635), (6527, 19825), (6955, 18605)]