9873940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 22235472

約数和(自身を除く): 12361532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 170, 226, 257, 340, 452, 514, 565, 1028, 1130, 1285, 1921, 2260, 2570, 3842, 4369, 5140, 7684, 8738, 9605, 17476, 19210, 21845, 29041, 38420, 43690, 58082, 87380, 116164, 145205, 290410, 493697, 580820, 987394, 1974788, 2468485, 4936970, 9873940]

約数ペア:

[(1, 9873940), (2, 4936970), (4, 2468485), (5, 1974788), (10, 987394), (17, 580820), (20, 493697), (34, 290410), (68, 145205), (85, 116164), (113, 87380), (170, 58082), (226, 43690), (257, 38420), (340, 29041), (452, 21845), (514, 19210), (565, 17476), (1028, 9605), (1130, 8738), (1285, 7684), (1921, 5140), (2260, 4369), (2570, 3842)]