28816710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2057

約数の個数: 64

約数和(自身を含む): 76531392

約数和(自身を除く): 47714682

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 111, 130, 185, 195, 222, 370, 390, 481, 555, 962, 1110, 1443, 1997, 2405, 2886, 3994, 4810, 5991, 7215, 9985, 11982, 14430, 19970, 25961, 29955, 51922, 59910, 73889, 77883, 129805, 147778, 155766, 221667, 259610, 369445, 389415, 443334, 738890, 778830, 960557, 1108335, 1921114, 2216670, 2881671, 4802785, 5763342, 9605570, 14408355, 28816710]

約数ペア:

[(1, 28816710), (2, 14408355), (3, 9605570), (5, 5763342), (6, 4802785), (10, 2881671), (13, 2216670), (15, 1921114), (26, 1108335), (30, 960557), (37, 778830), (39, 738890), (65, 443334), (74, 389415), (78, 369445), (111, 259610), (130, 221667), (185, 155766), (195, 147778), (222, 129805), (370, 77883), (390, 73889), (481, 59910), (555, 51922), (962, 29955), (1110, 25961), (1443, 19970), (1997, 14430), (2405, 11982), (2886, 9985), (3994, 7215), (4810, 5991)]