71306417

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 96832512

約数和(自身を除く): 25526095

約数列:

[1, 7, 13, 23, 31, 49, 91, 157, 161, 217, 299, 403, 637, 713, 1099, 1127, 1519, 2041, 2093, 2821, 3611, 4867, 4991, 7693, 9269, 14287, 14651, 19747, 25277, 34069, 34937, 46943, 63271, 64883, 100009, 111941, 176939, 238483, 328601, 442897, 454181, 783587, 1455233, 2300207, 3100279, 5485109, 10186631, 71306417]

約数ペア:

[(1, 71306417), (7, 10186631), (13, 5485109), (23, 3100279), (31, 2300207), (49, 1455233), (91, 783587), (157, 454181), (161, 442897), (217, 328601), (299, 238483), (403, 176939), (637, 111941), (713, 100009), (1099, 64883), (1127, 63271), (1519, 46943), (2041, 34937), (2093, 34069), (2821, 25277), (3611, 19747), (4867, 14651), (4991, 14287), (7693, 9269)]