31487170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 67568256

約数和(自身を除く): 36081086

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 97, 110, 130, 143, 194, 227, 286, 454, 485, 715, 970, 1067, 1135, 1261, 1430, 2134, 2270, 2497, 2522, 2951, 4994, 5335, 5902, 6305, 10670, 12485, 12610, 13871, 14755, 22019, 24970, 27742, 29510, 32461, 44038, 64922, 69355, 110095, 138710, 162305, 220190, 242209, 286247, 324610, 484418, 572494, 1211045, 1431235, 2422090, 2862470, 3148717, 6297434, 15743585, 31487170]

約数ペア:

[(1, 31487170), (2, 15743585), (5, 6297434), (10, 3148717), (11, 2862470), (13, 2422090), (22, 1431235), (26, 1211045), (55, 572494), (65, 484418), (97, 324610), (110, 286247), (130, 242209), (143, 220190), (194, 162305), (227, 138710), (286, 110095), (454, 69355), (485, 64922), (715, 44038), (970, 32461), (1067, 29510), (1135, 27742), (1261, 24970), (1430, 22019), (2134, 14755), (2270, 13871), (2497, 12610), (2522, 12485), (2951, 10670), (4994, 6305), (5335, 5902)]