256332505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1877}}^1$

素因数の和:2097

約数の個数: 32

約数和(自身を含む): 363460608

約数和(自身を除く): 107128103

約数列:

[1, 5, 11, 13, 55, 65, 143, 191, 715, 955, 1877, 2101, 2483, 9385, 10505, 12415, 20647, 24401, 27313, 103235, 122005, 136565, 268411, 358507, 1342055, 1792535, 3943577, 4660591, 19717885, 23302955, 51266501, 256332505]

約数ペア:

[(1, 256332505), (5, 51266501), (11, 23302955), (13, 19717885), (55, 4660591), (65, 3943577), (143, 1792535), (191, 1342055), (715, 358507), (955, 268411), (1877, 136565), (2101, 122005), (2483, 103235), (9385, 27313), (10505, 24401), (12415, 20647)]