278344196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{631}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 557424000

約数和(自身を除く): 279079804

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 499, 631, 884, 998, 1262, 1996, 2524, 6487, 8203, 8483, 10727, 12974, 16406, 16966, 21454, 25948, 32812, 33932, 42908, 110279, 139451, 220558, 278902, 314869, 441116, 557804, 629738, 1259476, 4093297, 5352773, 8186594, 10705546, 16373188, 21411092, 69586049, 139172098, 278344196]

約数ペア:

[(1, 278344196), (2, 139172098), (4, 69586049), (13, 21411092), (17, 16373188), (26, 10705546), (34, 8186594), (52, 5352773), (68, 4093297), (221, 1259476), (442, 629738), (499, 557804), (631, 441116), (884, 314869), (998, 278902), (1262, 220558), (1996, 139451), (2524, 110279), (6487, 42908), (8203, 33932), (8483, 32812), (10727, 25948), (12974, 21454), (16406, 16966)]