988397428

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{1021}}^1$

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 1844243968

約数和(自身を除く): 855846540

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 211, 422, 844, 1021, 1147, 2042, 2294, 4084, 4588, 6541, 7807, 13082, 15614, 26164, 31228, 31651, 37777, 63302, 75554, 126604, 151108, 215431, 242017, 430862, 484034, 861724, 968068, 1171087, 2342174, 4684348, 6678361, 7970947, 13356722, 15941894, 26713444, 31883788, 247099357, 494198714, 988397428]

約数ペア:

[(1, 988397428), (2, 494198714), (4, 247099357), (31, 31883788), (37, 26713444), (62, 15941894), (74, 13356722), (124, 7970947), (148, 6678361), (211, 4684348), (422, 2342174), (844, 1171087), (1021, 968068), (1147, 861724), (2042, 484034), (2294, 430862), (4084, 242017), (4588, 215431), (6541, 151108), (7807, 126604), (13082, 75554), (15614, 63302), (26164, 37777), (31228, 31651)]