261036283184

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1\times {\mathrm{19889}}^1$

素因数の和:20538

約数の個数: 80

約数和(自身を含む): 534154383360

約数和(自身を除く): 273118100176

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 94, 124, 188, 248, 376, 496, 563, 752, 1126, 1457, 2252, 2914, 4504, 5828, 9008, 11656, 17453, 19889, 23312, 26461, 34906, 39778, 52922, 69812, 79556, 105844, 139624, 159112, 211688, 279248, 318224, 423376, 616559, 820291, 934783, 1233118, 1640582, 1869566, 2466236, 3281164, 3739132, 4932472, 6562328, 7478264, 9864944, 11197507, 13124656, 14956528, 22395014, 28978273, 44790028, 57956546, 89580056, 115913092, 179160112, 231826184, 347122717, 463652368, 526282829, 694245434, 1052565658, 1388490868, 2105131316, 2776981736, 4210262632, 5553963472, 8420525264, 16314767699, 32629535398, 65259070796, 130518141592, 261036283184]

約数ペア:

[(1, 261036283184), (2, 130518141592), (4, 65259070796), (8, 32629535398), (16, 16314767699), (31, 8420525264), (47, 5553963472), (62, 4210262632), (94, 2776981736), (124, 2105131316), (188, 1388490868), (248, 1052565658), (376, 694245434), (496, 526282829), (563, 463652368), (752, 347122717), (1126, 231826184), (1457, 179160112), (2252, 115913092), (2914, 89580056), (4504, 57956546), (5828, 44790028), (9008, 28978273), (11656, 22395014), (17453, 14956528), (19889, 13124656), (23312, 11197507), (26461, 9864944), (34906, 7478264), (39778, 6562328), (52922, 4932472), (69812, 3739132), (79556, 3281164), (105844, 2466236), (139624, 1869566), (159112, 1640582), (211688, 1233118), (279248, 934783), (318224, 820291), (423376, 616559)]