80998216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 173880000

約数和(自身を除く): 92881784

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 179, 229, 247, 358, 458, 494, 716, 916, 988, 1432, 1832, 1976, 2327, 2977, 3401, 4351, 4654, 5954, 6802, 8702, 9308, 11908, 13604, 17404, 18616, 23816, 27208, 34808, 40991, 44213, 56563, 81982, 88426, 113126, 163964, 176852, 226252, 327928, 353704, 452504, 532883, 778829, 1065766, 1557658, 2131532, 3115316, 4263064, 6230632, 10124777, 20249554, 40499108, 80998216]

約数ペア:

[(1, 80998216), (2, 40499108), (4, 20249554), (8, 10124777), (13, 6230632), (19, 4263064), (26, 3115316), (38, 2131532), (52, 1557658), (76, 1065766), (104, 778829), (152, 532883), (179, 452504), (229, 353704), (247, 327928), (358, 226252), (458, 176852), (494, 163964), (716, 113126), (916, 88426), (988, 81982), (1432, 56563), (1832, 44213), (1976, 40991), (2327, 34808), (2977, 27208), (3401, 23816), (4351, 18616), (4654, 17404), (5954, 13604), (6802, 11908), (8702, 9308)]