688008772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{19139}}^1$

素因数の和:19216

約数の個数: 48

約数和(自身を含む): 1414828800

約数和(自身を除く): 726820028

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 172, 209, 418, 473, 817, 836, 946, 1634, 1892, 3268, 8987, 17974, 19139, 35948, 38278, 76556, 210529, 363641, 421058, 727282, 822977, 842116, 1454564, 1645954, 3291908, 4000051, 8000102, 9052747, 15636563, 16000204, 18105494, 31273126, 36210988, 62546252, 172002193, 344004386, 688008772]

約数ペア:

[(1, 688008772), (2, 344004386), (4, 172002193), (11, 62546252), (19, 36210988), (22, 31273126), (38, 18105494), (43, 16000204), (44, 15636563), (76, 9052747), (86, 8000102), (172, 4000051), (209, 3291908), (418, 1645954), (473, 1454564), (817, 842116), (836, 822977), (946, 727282), (1634, 421058), (1892, 363641), (3268, 210529), (8987, 76556), (17974, 38278), (19139, 35948)]