155709875

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 201883968

約数和(自身を除く): 46174093

約数列:

[1, 5, 25, 37, 125, 131, 185, 257, 655, 925, 1285, 3275, 4625, 4847, 6425, 9509, 16375, 24235, 32125, 33667, 47545, 121175, 168335, 237725, 605875, 841675, 1188625, 1245679, 4208375, 6228395, 31141975, 155709875]

約数ペア:

[(1, 155709875), (5, 31141975), (25, 6228395), (37, 4208375), (125, 1245679), (131, 1188625), (185, 841675), (257, 605875), (655, 237725), (925, 168335), (1285, 121175), (3275, 47545), (4625, 33667), (4847, 32125), (6425, 24235), (9509, 16375)]