28497276

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 76038144

約数和(自身を除く): 47540868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 127, 138, 207, 254, 271, 276, 381, 414, 508, 542, 762, 813, 828, 1084, 1143, 1524, 1626, 2286, 2439, 2921, 3252, 4572, 4878, 5842, 6233, 8763, 9756, 11684, 12466, 17526, 18699, 24932, 26289, 34417, 35052, 37398, 52578, 56097, 68834, 74796, 103251, 105156, 112194, 137668, 206502, 224388, 309753, 413004, 619506, 791591, 1239012, 1583182, 2374773, 3166364, 4749546, 7124319, 9499092, 14248638, 28497276]

約数ペア:

[(1, 28497276), (2, 14248638), (3, 9499092), (4, 7124319), (6, 4749546), (9, 3166364), (12, 2374773), (18, 1583182), (23, 1239012), (36, 791591), (46, 619506), (69, 413004), (92, 309753), (127, 224388), (138, 206502), (207, 137668), (254, 112194), (271, 105156), (276, 103251), (381, 74796), (414, 68834), (508, 56097), (542, 52578), (762, 37398), (813, 35052), (828, 34417), (1084, 26289), (1143, 24932), (1524, 18699), (1626, 17526), (2286, 12466), (2439, 11684), (2921, 9756), (3252, 8763), (4572, 6233), (4878, 5842)]