749628568

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{47}}^2\times {\mathrm{251}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 1561257180

約数和(自身を除く): 811628612

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 169, 188, 251, 338, 376, 502, 611, 676, 1004, 1222, 1352, 2008, 2209, 2444, 3263, 4418, 4888, 6526, 7943, 8836, 11797, 13052, 15886, 17672, 23594, 26104, 28717, 31772, 42419, 47188, 57434, 63544, 84838, 94376, 114868, 153361, 169676, 229736, 306722, 339352, 373321, 554459, 613444, 746642, 1108918, 1226888, 1493284, 1993693, 2217836, 2986568, 3987386, 4435672, 7207967, 7974772, 14415934, 15949544, 28831868, 57663736, 93703571, 187407142, 374814284, 749628568]

約数ペア:

[(1, 749628568), (2, 374814284), (4, 187407142), (8, 93703571), (13, 57663736), (26, 28831868), (47, 15949544), (52, 14415934), (94, 7974772), (104, 7207967), (169, 4435672), (188, 3987386), (251, 2986568), (338, 2217836), (376, 1993693), (502, 1493284), (611, 1226888), (676, 1108918), (1004, 746642), (1222, 613444), (1352, 554459), (2008, 373321), (2209, 339352), (2444, 306722), (3263, 229736), (4418, 169676), (4888, 153361), (6526, 114868), (7943, 94376), (8836, 84838), (11797, 63544), (13052, 57434), (15886, 47188), (17672, 42419), (23594, 31772), (26104, 28717)]