79987775

素因数分解:

$5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 118087680

約数和(自身を除く): 38099905

約数列:

[1, 5, 7, 25, 35, 59, 61, 127, 175, 295, 305, 413, 427, 635, 889, 1475, 1525, 2065, 2135, 3175, 3599, 4445, 7493, 7747, 10325, 10675, 17995, 22225, 25193, 37465, 38735, 52451, 54229, 89975, 125965, 187325, 193675, 262255, 271145, 457073, 629825, 1311275, 1355725, 2285365, 3199511, 11426825, 15997555, 79987775]

約数ペア:

[(1, 79987775), (5, 15997555), (7, 11426825), (25, 3199511), (35, 2285365), (59, 1355725), (61, 1311275), (127, 629825), (175, 457073), (295, 271145), (305, 262255), (413, 193675), (427, 187325), (635, 125965), (889, 89975), (1475, 54229), (1525, 52451), (2065, 38735), (2135, 37465), (3175, 25193), (3599, 22225), (4445, 17995), (7493, 10675), (7747, 10325)]