400900994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{18119}}^1$

素因数の和:18194

約数の個数: 32

約数和(自身を含む): 694068480

約数和(自身を除く): 293167486

約数列:

[1, 2, 13, 23, 26, 37, 46, 74, 299, 481, 598, 851, 962, 1702, 11063, 18119, 22126, 36238, 235547, 416737, 471094, 670403, 833474, 1340806, 5417581, 8715239, 10835162, 15419269, 17430478, 30838538, 200450497, 400900994]

約数ペア:

[(1, 400900994), (2, 200450497), (13, 30838538), (23, 17430478), (26, 15419269), (37, 10835162), (46, 8715239), (74, 5417581), (299, 1340806), (481, 833474), (598, 670403), (851, 471094), (962, 416737), (1702, 235547), (11063, 36238), (18119, 22126)]