246965375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 353673216

約数和(自身を除く): 106707841

約数列:

[1, 5, 17, 23, 25, 31, 85, 115, 125, 155, 163, 391, 425, 527, 575, 713, 775, 815, 1955, 2125, 2635, 2771, 2875, 3565, 3749, 3875, 4075, 5053, 9775, 12121, 13175, 13855, 17825, 18745, 20375, 25265, 48875, 60605, 63733, 65875, 69275, 85901, 89125, 93725, 116219, 126325, 303025, 318665, 346375, 429505, 468625, 581095, 631625, 1515125, 1593325, 1975723, 2147525, 2905475, 7966625, 9878615, 10737625, 14527375, 49393075, 246965375]

約数ペア:

[(1, 246965375), (5, 49393075), (17, 14527375), (23, 10737625), (25, 9878615), (31, 7966625), (85, 2905475), (115, 2147525), (125, 1975723), (155, 1593325), (163, 1515125), (391, 631625), (425, 581095), (527, 468625), (575, 429505), (713, 346375), (775, 318665), (815, 303025), (1955, 126325), (2125, 116219), (2635, 93725), (2771, 89125), (2875, 85901), (3565, 69275), (3749, 65875), (3875, 63733), (4075, 60605), (5053, 48875), (9775, 25265), (12121, 20375), (13175, 18745), (13855, 17825)]