28025452

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 65155104

約数和(自身を除く): 37129652

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 68, 91, 98, 119, 182, 196, 221, 238, 364, 442, 476, 637, 647, 833, 884, 1274, 1294, 1547, 1666, 2548, 2588, 3094, 3332, 4529, 6188, 8411, 9058, 10829, 10999, 16822, 18116, 21658, 21998, 31703, 33644, 43316, 43996, 58877, 63406, 76993, 117754, 126812, 142987, 153986, 235508, 285974, 307972, 412139, 538951, 571948, 824278, 1000909, 1077902, 1648556, 2001818, 2155804, 4003636, 7006363, 14012726, 28025452]

約数ペア:

[(1, 28025452), (2, 14012726), (4, 7006363), (7, 4003636), (13, 2155804), (14, 2001818), (17, 1648556), (26, 1077902), (28, 1000909), (34, 824278), (49, 571948), (52, 538951), (68, 412139), (91, 307972), (98, 285974), (119, 235508), (182, 153986), (196, 142987), (221, 126812), (238, 117754), (364, 76993), (442, 63406), (476, 58877), (637, 43996), (647, 43316), (833, 33644), (884, 31703), (1274, 21998), (1294, 21658), (1547, 18116), (1666, 16822), (2548, 10999), (2588, 10829), (3094, 9058), (3332, 8411), (4529, 6188)]