28807486564

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{149}}^1\times {\mathrm{26141}}^1$

素因数の和:26380

約数の個数: 36

約数和(自身を含む): 51961146300

約数和(自身を除く): 23153659736

約数列:

[1, 2, 4, 43, 86, 149, 172, 298, 596, 1849, 3698, 6407, 7396, 12814, 25628, 26141, 52282, 104564, 275501, 551002, 1102004, 1124063, 2248126, 3895009, 4496252, 7790018, 15580036, 48334709, 96669418, 167485387, 193338836, 334970774, 669941548, 7201871641, 14403743282, 28807486564]

約数ペア:

[(1, 28807486564), (2, 14403743282), (4, 7201871641), (43, 669941548), (86, 334970774), (149, 193338836), (172, 167485387), (298, 96669418), (596, 48334709), (1849, 15580036), (3698, 7790018), (6407, 4496252), (7396, 3895009), (12814, 2248126), (25628, 1124063), (26141, 1102004), (52282, 551002), (104564, 275501)]