290648176

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199621}}^1$

素因数の和:199649

約数の個数: 40

約数和(自身を含む): 693087584

約数和(自身を除く): 402439408

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 199621, 399242, 798484, 1397347, 1596968, 2595073, 2794694, 3193936, 5190146, 5589388, 10380292, 11178776, 18165511, 20760584, 22357552, 36331022, 41521168, 72662044, 145324088, 290648176]

約数ペア:

[(1, 290648176), (2, 145324088), (4, 72662044), (7, 41521168), (8, 36331022), (13, 22357552), (14, 20760584), (16, 18165511), (26, 11178776), (28, 10380292), (52, 5589388), (56, 5190146), (91, 3193936), (104, 2794694), (112, 2595073), (182, 1596968), (208, 1397347), (364, 798484), (728, 399242), (1456, 199621)]