28154484

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 76352640

約数和(自身を除く): 48198156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 37, 46, 69, 74, 92, 111, 138, 148, 207, 222, 276, 333, 414, 444, 666, 828, 851, 919, 1332, 1702, 1838, 2553, 2757, 3404, 3676, 5106, 5514, 7659, 8271, 10212, 11028, 15318, 16542, 21137, 30636, 33084, 34003, 42274, 63411, 68006, 84548, 102009, 126822, 136012, 190233, 204018, 253644, 306027, 380466, 408036, 612054, 760932, 782069, 1224108, 1564138, 2346207, 3128276, 4692414, 7038621, 9384828, 14077242, 28154484]

約数ペア:

[(1, 28154484), (2, 14077242), (3, 9384828), (4, 7038621), (6, 4692414), (9, 3128276), (12, 2346207), (18, 1564138), (23, 1224108), (36, 782069), (37, 760932), (46, 612054), (69, 408036), (74, 380466), (92, 306027), (111, 253644), (138, 204018), (148, 190233), (207, 136012), (222, 126822), (276, 102009), (333, 84548), (414, 68006), (444, 63411), (666, 42274), (828, 34003), (851, 33084), (919, 30636), (1332, 21137), (1702, 16542), (1838, 15318), (2553, 11028), (2757, 10212), (3404, 8271), (3676, 7659), (5106, 5514)]