977802605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{4019}}^1$

素因数の和:4253

約数の個数: 32

約数和(自身を含む): 1337212800

約数和(自身を除く): 359410195

約数列:

[1, 5, 13, 19, 65, 95, 197, 247, 985, 1235, 2561, 3743, 4019, 12805, 18715, 20095, 48659, 52247, 76361, 243295, 261235, 381805, 791743, 992693, 3958715, 4963465, 10292659, 15043117, 51463295, 75215585, 195560521, 977802605]

約数ペア:

[(1, 977802605), (5, 195560521), (13, 75215585), (19, 51463295), (65, 15043117), (95, 10292659), (197, 4963465), (247, 3958715), (985, 992693), (1235, 791743), (2561, 381805), (3743, 261235), (4019, 243295), (12805, 76361), (18715, 52247), (20095, 48659)]