31415671976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{59663}}^1$

素因数の和:59826

約数の個数: 64

約数和(自身を含む): 65253323520

約数和(自身を除く): 33837651544

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 83, 104, 122, 166, 244, 332, 488, 664, 793, 1079, 1586, 2158, 3172, 4316, 5063, 6344, 8632, 10126, 20252, 40504, 59663, 65819, 119326, 131638, 238652, 263276, 477304, 526552, 775619, 1551238, 3102476, 3639443, 4952029, 6204952, 7278886, 9904058, 14557772, 19808116, 29115544, 39616232, 47312759, 64376377, 94625518, 128752754, 189251036, 257505508, 302073769, 378502072, 515011016, 604147538, 1208295076, 2416590152, 3926958997, 7853917994, 15707835988, 31415671976]

約数ペア:

[(1, 31415671976), (2, 15707835988), (4, 7853917994), (8, 3926958997), (13, 2416590152), (26, 1208295076), (52, 604147538), (61, 515011016), (83, 378502072), (104, 302073769), (122, 257505508), (166, 189251036), (244, 128752754), (332, 94625518), (488, 64376377), (664, 47312759), (793, 39616232), (1079, 29115544), (1586, 19808116), (2158, 14557772), (3172, 9904058), (4316, 7278886), (5063, 6204952), (6344, 4952029), (8632, 3639443), (10126, 3102476), (20252, 1551238), (40504, 775619), (59663, 526552), (65819, 477304), (119326, 263276), (131638, 238652)]