644641452

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{28111}}^1$

素因数の和:28148

約数の個数: 108

約数和(自身を含む): 2041437216

約数和(自身を除く): 1396795764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 364, 441, 468, 546, 588, 637, 819, 882, 1092, 1274, 1638, 1764, 1911, 2548, 3276, 3822, 5733, 7644, 11466, 22932, 28111, 56222, 84333, 112444, 168666, 196777, 252999, 337332, 365443, 393554, 505998, 590331, 730886, 787108, 1011996, 1096329, 1180662, 1377439, 1461772, 1770993, 2192658, 2361324, 2558101, 2754878, 3288987, 3541986, 4132317, 4385316, 5116202, 5509756, 6577974, 7083972, 7674303, 8264634, 10232404, 12396951, 13155948, 15348606, 16529268, 17906707, 23022909, 24793902, 30697212, 35813414, 46045818, 49587804, 53720121, 71626828, 92091636, 107440242, 161160363, 214880484, 322320726, 644641452]

約数ペア:

[(1, 644641452), (2, 322320726), (3, 214880484), (4, 161160363), (6, 107440242), (7, 92091636), (9, 71626828), (12, 53720121), (13, 49587804), (14, 46045818), (18, 35813414), (21, 30697212), (26, 24793902), (28, 23022909), (36, 17906707), (39, 16529268), (42, 15348606), (49, 13155948), (52, 12396951), (63, 10232404), (78, 8264634), (84, 7674303), (91, 7083972), (98, 6577974), (117, 5509756), (126, 5116202), (147, 4385316), (156, 4132317), (182, 3541986), (196, 3288987), (234, 2754878), (252, 2558101), (273, 2361324), (294, 2192658), (364, 1770993), (441, 1461772), (468, 1377439), (546, 1180662), (588, 1096329), (637, 1011996), (819, 787108), (882, 730886), (1092, 590331), (1274, 505998), (1638, 393554), (1764, 365443), (1911, 337332), (2548, 252999), (3276, 196777), (3822, 168666), (5733, 112444), (7644, 84333), (11466, 56222), (22932, 28111)]