636748990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1\times {\mathrm{383}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 1194269184

約数和(自身を除く): 557520194

約数列:

[1, 2, 5, 10, 31, 62, 155, 173, 310, 346, 383, 766, 865, 961, 1730, 1915, 1922, 3830, 4805, 5363, 9610, 10726, 11873, 23746, 26815, 53630, 59365, 66259, 118730, 132518, 166253, 331295, 332506, 368063, 662590, 736126, 831265, 1662530, 1840315, 2054029, 3680630, 4108058, 10270145, 20540290, 63674899, 127349798, 318374495, 636748990]

約数ペア:

[(1, 636748990), (2, 318374495), (5, 127349798), (10, 63674899), (31, 20540290), (62, 10270145), (155, 4108058), (173, 3680630), (310, 2054029), (346, 1840315), (383, 1662530), (766, 831265), (865, 736126), (961, 662590), (1730, 368063), (1915, 332506), (1922, 331295), (3830, 166253), (4805, 132518), (5363, 118730), (9610, 66259), (10726, 59365), (11873, 53630), (23746, 26815)]