261936697525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{43397}}^1$

素因数の和:43654

約数の個数: 48

約数和(自身を含む): 348065847360

約数和(自身を除く): 86129149835

約数列:

[1, 5, 19, 25, 95, 97, 131, 475, 485, 655, 1843, 2425, 2489, 3275, 9215, 12445, 12707, 43397, 46075, 62225, 63535, 216985, 241433, 317675, 824543, 1084925, 1207165, 4122715, 4209509, 5685007, 6035825, 20613575, 21047545, 28425035, 79980671, 105237725, 108015133, 142125175, 399903355, 540075665, 551445679, 1999516775, 2700378325, 2757228395, 10477467901, 13786141975, 52387339505, 261936697525]

約数ペア:

[(1, 261936697525), (5, 52387339505), (19, 13786141975), (25, 10477467901), (95, 2757228395), (97, 2700378325), (131, 1999516775), (475, 551445679), (485, 540075665), (655, 399903355), (1843, 142125175), (2425, 108015133), (2489, 105237725), (3275, 79980671), (9215, 28425035), (12445, 21047545), (12707, 20613575), (43397, 6035825), (46075, 5685007), (62225, 4209509), (63535, 4122715), (216985, 1207165), (241433, 1084925), (317675, 824543)]