178850412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1487}}^1$

素因数の和:1767

約数の個数: 72

約数和(自身を含む): 489093696

約数和(自身を除く): 310243284

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 257, 468, 514, 771, 1028, 1487, 1542, 2313, 2974, 3084, 3341, 4461, 4626, 5948, 6682, 8922, 9252, 10023, 13364, 13383, 17844, 19331, 20046, 26766, 30069, 38662, 40092, 53532, 57993, 60138, 77324, 115986, 120276, 173979, 231972, 347958, 382159, 695916, 764318, 1146477, 1528636, 2292954, 3439431, 4585908, 4968067, 6878862, 9936134, 13757724, 14904201, 19872268, 29808402, 44712603, 59616804, 89425206, 178850412]

約数ペア:

[(1, 178850412), (2, 89425206), (3, 59616804), (4, 44712603), (6, 29808402), (9, 19872268), (12, 14904201), (13, 13757724), (18, 9936134), (26, 6878862), (36, 4968067), (39, 4585908), (52, 3439431), (78, 2292954), (117, 1528636), (156, 1146477), (234, 764318), (257, 695916), (468, 382159), (514, 347958), (771, 231972), (1028, 173979), (1487, 120276), (1542, 115986), (2313, 77324), (2974, 60138), (3084, 57993), (3341, 53532), (4461, 40092), (4626, 38662), (5948, 30069), (6682, 26766), (8922, 20046), (9252, 19331), (10023, 17844), (13364, 13383)]