398438226

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 921922560

約数和(自身を除く): 523484334

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 71, 89, 93, 113, 142, 178, 186, 213, 226, 267, 279, 339, 426, 534, 558, 639, 678, 801, 1017, 1278, 1602, 2034, 2201, 2759, 3503, 4402, 5518, 6319, 6603, 7006, 8023, 8277, 10057, 10509, 12638, 13206, 16046, 16554, 18957, 19809, 20114, 21018, 24069, 24831, 30171, 31527, 37914, 39618, 48138, 49662, 56871, 60342, 63054, 72207, 90513, 113742, 144414, 181026, 195889, 248713, 311767, 391778, 497426, 587667, 623534, 714047, 746139, 935301, 1175334, 1428094, 1492278, 1763001, 1870602, 2142141, 2238417, 2805903, 3526002, 4284282, 4476834, 5611806, 6426423, 12852846, 22135457, 44270914, 66406371, 132812742, 199219113, 398438226]

約数ペア:

[(1, 398438226), (2, 199219113), (3, 132812742), (6, 66406371), (9, 44270914), (18, 22135457), (31, 12852846), (62, 6426423), (71, 5611806), (89, 4476834), (93, 4284282), (113, 3526002), (142, 2805903), (178, 2238417), (186, 2142141), (213, 1870602), (226, 1763001), (267, 1492278), (279, 1428094), (339, 1175334), (426, 935301), (534, 746139), (558, 714047), (639, 623534), (678, 587667), (801, 497426), (1017, 391778), (1278, 311767), (1602, 248713), (2034, 195889), (2201, 181026), (2759, 144414), (3503, 113742), (4402, 90513), (5518, 72207), (6319, 63054), (6603, 60342), (7006, 56871), (8023, 49662), (8277, 48138), (10057, 39618), (10509, 37914), (12638, 31527), (13206, 30171), (16046, 24831), (16554, 24069), (18957, 21018), (19809, 20114)]