281617804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{743}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 548589888

約数和(自身を除く): 266972084

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 197, 394, 481, 743, 788, 962, 1486, 1924, 2561, 2972, 5122, 7289, 9659, 10244, 14578, 19318, 27491, 29156, 38636, 54982, 94757, 109964, 146371, 189514, 292742, 357383, 379028, 585484, 714766, 1429532, 1902823, 3805646, 5415727, 7611292, 10831454, 21662908, 70404451, 140808902, 281617804]

約数ペア:

[(1, 281617804), (2, 140808902), (4, 70404451), (13, 21662908), (26, 10831454), (37, 7611292), (52, 5415727), (74, 3805646), (148, 1902823), (197, 1429532), (394, 714766), (481, 585484), (743, 379028), (788, 357383), (962, 292742), (1486, 189514), (1924, 146371), (2561, 109964), (2972, 94757), (5122, 54982), (7289, 38636), (9659, 29156), (10244, 27491), (14578, 19318)]