978171544

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{1567}}^1$

素因数の和:1808

約数の個数: 64

約数和(自身を含む): 2140508160

約数和(自身を除く): 1162336616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 157, 284, 314, 497, 568, 628, 994, 1099, 1256, 1567, 1988, 2198, 3134, 3976, 4396, 6268, 8792, 10969, 11147, 12536, 21938, 22294, 43876, 44588, 78029, 87752, 89176, 111257, 156058, 222514, 246019, 312116, 445028, 492038, 624232, 778799, 890056, 984076, 1557598, 1722133, 1968152, 3115196, 3444266, 6230392, 6888532, 13777064, 17467349, 34934698, 69869396, 122271443, 139738792, 244542886, 489085772, 978171544]

約数ペア:

[(1, 978171544), (2, 489085772), (4, 244542886), (7, 139738792), (8, 122271443), (14, 69869396), (28, 34934698), (56, 17467349), (71, 13777064), (142, 6888532), (157, 6230392), (284, 3444266), (314, 3115196), (497, 1968152), (568, 1722133), (628, 1557598), (994, 984076), (1099, 890056), (1256, 778799), (1567, 624232), (1988, 492038), (2198, 445028), (3134, 312116), (3976, 246019), (4396, 222514), (6268, 156058), (8792, 111257), (10969, 89176), (11147, 87752), (12536, 78029), (21938, 44588), (22294, 43876)]