998540164225

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{461}}^1\times {\mathrm{6389}}^1$

素因数の和:7122

約数の個数: 48

約数和(自身を含む): 1265139025920

約数和(自身を除く): 266598861695

約数列:

[1, 5, 25, 71, 191, 355, 461, 955, 1775, 2305, 4775, 6389, 11525, 13561, 31945, 32731, 67805, 88051, 159725, 163655, 339025, 440255, 453619, 818275, 1220299, 2201275, 2268095, 2945329, 6101495, 6251621, 11340475, 14726645, 30507475, 31258105, 73633225, 86641229, 156290525, 209118359, 433206145, 562557839, 1045591795, 2166030725, 2812789195, 5227958975, 14063945975, 39941606569, 199708032845, 998540164225]

約数ペア:

[(1, 998540164225), (5, 199708032845), (25, 39941606569), (71, 14063945975), (191, 5227958975), (355, 2812789195), (461, 2166030725), (955, 1045591795), (1775, 562557839), (2305, 433206145), (4775, 209118359), (6389, 156290525), (11525, 86641229), (13561, 73633225), (31945, 31258105), (32731, 30507475), (67805, 14726645), (88051, 11340475), (159725, 6251621), (163655, 6101495), (339025, 2945329), (440255, 2268095), (453619, 2201275), (818275, 1220299)]