1390804856

素因数分解:

$2^3\times 7^1\times {\mathrm{1483}}^1\times {\mathrm{16747}}^1$

素因数の和:18243

約数の個数: 32

約数和(自身を含む): 2982483840

約数和(自身を除く): 1591678984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1483, 2966, 5932, 10381, 11864, 16747, 20762, 33494, 41524, 66988, 83048, 117229, 133976, 234458, 468916, 937832, 24835801, 49671602, 99343204, 173850607, 198686408, 347701214, 695402428, 1390804856]

約数ペア:

[(1, 1390804856), (2, 695402428), (4, 347701214), (7, 198686408), (8, 173850607), (14, 99343204), (28, 49671602), (56, 24835801), (1483, 937832), (2966, 468916), (5932, 234458), (10381, 133976), (11864, 117229), (16747, 83048), (20762, 66988), (33494, 41524)]