400428364

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{461323}}^1$

素因数の和:461365

約数の個数: 24

約数和(自身を含む): 826692608

約数和(自身を除く): 426264244

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 461323, 922646, 1845292, 3229261, 6458522, 12917044, 14301013, 28602026, 57204052, 100107091, 200214182, 400428364]

約数ペア:

[(1, 400428364), (2, 200214182), (4, 100107091), (7, 57204052), (14, 28602026), (28, 14301013), (31, 12917044), (62, 6458522), (124, 3229261), (217, 1845292), (434, 922646), (868, 461323)]