830147395

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 1304709120

約数和(自身を除く): 474561725

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 241, 253, 385, 389, 805, 1205, 1265, 1687, 1771, 1945, 2651, 2723, 4279, 5543, 8435, 8855, 8947, 13255, 13615, 18557, 21395, 27715, 29953, 38801, 44735, 60973, 62629, 92785, 93749, 98417, 149765, 194005, 304865, 313145, 426811, 468745, 492085, 656243, 688919, 1031239, 2134055, 2156227, 3281215, 3444595, 5156195, 7218673, 10781135, 15093589, 23718497, 36093365, 75467945, 118592485, 166029479, 830147395]

約数ペア:

[(1, 830147395), (5, 166029479), (7, 118592485), (11, 75467945), (23, 36093365), (35, 23718497), (55, 15093589), (77, 10781135), (115, 7218673), (161, 5156195), (241, 3444595), (253, 3281215), (385, 2156227), (389, 2134055), (805, 1031239), (1205, 688919), (1265, 656243), (1687, 492085), (1771, 468745), (1945, 426811), (2651, 313145), (2723, 304865), (4279, 194005), (5543, 149765), (8435, 98417), (8855, 93749), (8947, 92785), (13255, 62629), (13615, 60973), (18557, 44735), (21395, 38801), (27715, 29953)]