31415072

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 72

約数和(自身を含む): 69220116

約数和(自身を除く): 37805044

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 157, 169, 208, 296, 314, 338, 416, 481, 592, 628, 676, 962, 1184, 1256, 1352, 1924, 2041, 2512, 2704, 3848, 4082, 5024, 5408, 5809, 6253, 7696, 8164, 11618, 12506, 15392, 16328, 23236, 25012, 26533, 32656, 46472, 50024, 53066, 65312, 75517, 92944, 100048, 106132, 151034, 185888, 200096, 212264, 302068, 424528, 604136, 849056, 981721, 1208272, 1963442, 2416544, 3926884, 7853768, 15707536, 31415072]

約数ペア:

[(1, 31415072), (2, 15707536), (4, 7853768), (8, 3926884), (13, 2416544), (16, 1963442), (26, 1208272), (32, 981721), (37, 849056), (52, 604136), (74, 424528), (104, 302068), (148, 212264), (157, 200096), (169, 185888), (208, 151034), (296, 106132), (314, 100048), (338, 92944), (416, 75517), (481, 65312), (592, 53066), (628, 50024), (676, 46472), (962, 32656), (1184, 26533), (1256, 25012), (1352, 23236), (1924, 16328), (2041, 15392), (2512, 12506), (2704, 11618), (3848, 8164), (4082, 7696), (5024, 6253), (5408, 5809)]