66116428

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 144743424

約数和(自身を除く): 78626996

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 211, 217, 266, 361, 422, 434, 532, 589, 722, 844, 868, 1178, 1444, 1477, 2356, 2527, 2954, 4009, 4123, 5054, 5908, 6541, 8018, 8246, 10108, 11191, 13082, 16036, 16492, 22382, 26164, 28063, 44764, 45787, 56126, 76171, 78337, 91574, 112252, 124279, 152342, 156674, 183148, 248558, 304684, 313348, 497116, 533197, 869953, 1066394, 1739906, 2132788, 2361301, 3479812, 4722602, 9445204, 16529107, 33058214, 66116428]

約数ペア:

[(1, 66116428), (2, 33058214), (4, 16529107), (7, 9445204), (14, 4722602), (19, 3479812), (28, 2361301), (31, 2132788), (38, 1739906), (62, 1066394), (76, 869953), (124, 533197), (133, 497116), (211, 313348), (217, 304684), (266, 248558), (361, 183148), (422, 156674), (434, 152342), (532, 124279), (589, 112252), (722, 91574), (844, 78337), (868, 76171), (1178, 56126), (1444, 45787), (1477, 44764), (2356, 28063), (2527, 26164), (2954, 22382), (4009, 16492), (4123, 16036), (5054, 13082), (5908, 11191), (6541, 10108), (8018, 8246)]