420551456

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{32611}}^1$

素因数の和:32665

約数の個数: 48

約数和(自身を含む): 920441088

約数和(自身を除く): 499889632

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6448, 12896, 32611, 65222, 130444, 260888, 423943, 521776, 847886, 1010941, 1043552, 1695772, 2021882, 3391544, 4043764, 6783088, 8087528, 13142233, 13566176, 16175056, 26284466, 32350112, 52568932, 105137864, 210275728, 420551456]

約数ペア:

[(1, 420551456), (2, 210275728), (4, 105137864), (8, 52568932), (13, 32350112), (16, 26284466), (26, 16175056), (31, 13566176), (32, 13142233), (52, 8087528), (62, 6783088), (104, 4043764), (124, 3391544), (208, 2021882), (248, 1695772), (403, 1043552), (416, 1010941), (496, 847886), (806, 521776), (992, 423943), (1612, 260888), (3224, 130444), (6448, 65222), (12896, 32611)]