991853704804

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{971}}^1\times {\mathrm{20269}}^1$

素因数の和:21580

約数の個数: 48

約数和(自身を含む): 1784095346880

約数和(自身を除く): 792241642076

約数列:

[1, 2, 4, 43, 86, 172, 293, 586, 971, 1172, 1942, 3884, 12599, 20269, 25198, 40538, 41753, 50396, 81076, 83506, 167012, 284503, 569006, 871567, 1138012, 1743134, 3486268, 5938817, 11877634, 12233629, 19681199, 23755268, 24467258, 39362398, 48934516, 78724796, 255369131, 510738262, 846291557, 1021476524, 1692583114, 3385166228, 5766591307, 11533182614, 23066365228, 247963426201, 495926852402, 991853704804]

約数ペア:

[(1, 991853704804), (2, 495926852402), (4, 247963426201), (43, 23066365228), (86, 11533182614), (172, 5766591307), (293, 3385166228), (586, 1692583114), (971, 1021476524), (1172, 846291557), (1942, 510738262), (3884, 255369131), (12599, 78724796), (20269, 48934516), (25198, 39362398), (40538, 24467258), (41753, 23755268), (50396, 19681199), (81076, 12233629), (83506, 11877634), (167012, 5938817), (284503, 3486268), (569006, 1743134), (871567, 1138012)]