388701235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 510935040

約数和(自身を除く): 122233805

約数列:

[1, 5, 13, 65, 131, 191, 239, 655, 955, 1195, 1703, 2483, 3107, 8515, 12415, 15535, 25021, 31309, 45649, 125105, 156545, 228245, 325273, 407017, 593437, 1626365, 2035085, 2967185, 5980019, 29900095, 77740247, 388701235]

約数ペア:

[(1, 388701235), (5, 77740247), (13, 29900095), (65, 5980019), (131, 2967185), (191, 2035085), (239, 1626365), (655, 593437), (955, 407017), (1195, 325273), (1703, 228245), (2483, 156545), (3107, 125105), (8515, 45649), (12415, 31309), (15535, 25021)]