28358428

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{883}}^1$

素因数の和:962

約数の個数: 48

約数和(自身を含む): 60196864

約数和(自身を除く): 31838436

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 868, 883, 1036, 1147, 1766, 2294, 3532, 4588, 6181, 8029, 12362, 16058, 24724, 27373, 32116, 32671, 54746, 65342, 109492, 130684, 191611, 228697, 383222, 457394, 766444, 914788, 1012801, 2025602, 4051204, 7089607, 14179214, 28358428]

約数ペア:

[(1, 28358428), (2, 14179214), (4, 7089607), (7, 4051204), (14, 2025602), (28, 1012801), (31, 914788), (37, 766444), (62, 457394), (74, 383222), (124, 228697), (148, 191611), (217, 130684), (259, 109492), (434, 65342), (518, 54746), (868, 32671), (883, 32116), (1036, 27373), (1147, 24724), (1766, 16058), (2294, 12362), (3532, 8029), (4588, 6181)]