221719688

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 448120320

約数和(自身を除く): 226400632

約数列:

[1, 2, 4, 8, 31, 37, 62, 73, 74, 124, 146, 148, 248, 292, 296, 331, 584, 662, 1147, 1324, 2263, 2294, 2648, 2701, 4526, 4588, 5402, 9052, 9176, 10261, 10804, 12247, 18104, 20522, 21608, 24163, 24494, 41044, 48326, 48988, 82088, 83731, 96652, 97976, 167462, 193304, 334924, 379657, 669848, 749053, 759314, 894031, 1498106, 1518628, 1788062, 2996212, 3037256, 3576124, 5992424, 7152248, 27714961, 55429922, 110859844, 221719688]

約数ペア:

[(1, 221719688), (2, 110859844), (4, 55429922), (8, 27714961), (31, 7152248), (37, 5992424), (62, 3576124), (73, 3037256), (74, 2996212), (124, 1788062), (146, 1518628), (148, 1498106), (248, 894031), (292, 759314), (296, 749053), (331, 669848), (584, 379657), (662, 334924), (1147, 193304), (1324, 167462), (2263, 97976), (2294, 96652), (2648, 83731), (2701, 82088), (4526, 48988), (4588, 48326), (5402, 41044), (9052, 24494), (9176, 24163), (10261, 21608), (10804, 20522), (12247, 18104)]