254879985

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 447068160

約数和(自身を除く): 192188175

約数列:

[1, 3, 5, 15, 29, 31, 41, 87, 93, 123, 145, 155, 205, 435, 461, 465, 615, 899, 1189, 1271, 1383, 2305, 2697, 3567, 3813, 4495, 5945, 6355, 6915, 13369, 13485, 14291, 17835, 18901, 19065, 36859, 40107, 42873, 56703, 66845, 71455, 94505, 110577, 184295, 200535, 214365, 283515, 414439, 548129, 552885, 585931, 1243317, 1644387, 1757793, 2072195, 2740645, 2929655, 6216585, 8221935, 8788965, 16991999, 50975997, 84959995, 254879985]

約数ペア:

[(1, 254879985), (3, 84959995), (5, 50975997), (15, 16991999), (29, 8788965), (31, 8221935), (41, 6216585), (87, 2929655), (93, 2740645), (123, 2072195), (145, 1757793), (155, 1644387), (205, 1243317), (435, 585931), (461, 552885), (465, 548129), (615, 414439), (899, 283515), (1189, 214365), (1271, 200535), (1383, 184295), (2305, 110577), (2697, 94505), (3567, 71455), (3813, 66845), (4495, 56703), (5945, 42873), (6355, 40107), (6915, 36859), (13369, 19065), (13485, 18901), (14291, 17835)]