201403985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 263450880

約数和(自身を除く): 62046895

約数列:

[1, 5, 23, 29, 115, 131, 145, 461, 655, 667, 2305, 3013, 3335, 3799, 10603, 13369, 15065, 18995, 53015, 60391, 66845, 87377, 301955, 307487, 436885, 1388993, 1537435, 1751339, 6944965, 8756695, 40280797, 201403985]

約数ペア:

[(1, 201403985), (5, 40280797), (23, 8756695), (29, 6944965), (115, 1751339), (131, 1537435), (145, 1388993), (461, 436885), (655, 307487), (667, 301955), (2305, 87377), (3013, 66845), (3335, 60391), (3799, 53015), (10603, 18995), (13369, 15065)]