664907516

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{227}}^1\times {\mathrm{619}}^1$

素因数の和:883

約数の個数: 72

約数和(自身を含む): 1448657280

約数和(自身を除く): 783749764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 227, 338, 364, 454, 619, 676, 908, 1183, 1238, 1589, 2366, 2476, 2951, 3178, 4333, 4732, 5902, 6356, 8047, 8666, 11804, 16094, 17332, 20657, 32188, 38363, 41314, 56329, 76726, 82628, 104611, 112658, 140513, 153452, 209222, 225316, 268541, 281026, 418444, 537082, 562052, 732277, 983591, 1074164, 1464554, 1826669, 1967182, 2929108, 3653338, 3934364, 7306676, 12786683, 23746697, 25573366, 47493394, 51146732, 94986788, 166226879, 332453758, 664907516]

約数ペア:

[(1, 664907516), (2, 332453758), (4, 166226879), (7, 94986788), (13, 51146732), (14, 47493394), (26, 25573366), (28, 23746697), (52, 12786683), (91, 7306676), (169, 3934364), (182, 3653338), (227, 2929108), (338, 1967182), (364, 1826669), (454, 1464554), (619, 1074164), (676, 983591), (908, 732277), (1183, 562052), (1238, 537082), (1589, 418444), (2366, 281026), (2476, 268541), (2951, 225316), (3178, 209222), (4333, 153452), (4732, 140513), (5902, 112658), (6356, 104611), (8047, 82628), (8666, 76726), (11804, 56329), (16094, 41314), (17332, 38363), (20657, 32188)]