31130944

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 112

約数和(自身を含む): 73737216

約数和(自身を除く): 42606272

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 32, 34, 52, 62, 64, 68, 71, 104, 124, 136, 142, 208, 221, 248, 272, 284, 403, 416, 442, 496, 527, 544, 568, 806, 832, 884, 923, 992, 1054, 1088, 1136, 1207, 1612, 1768, 1846, 1984, 2108, 2201, 2272, 2414, 3224, 3536, 3692, 4216, 4402, 4544, 4828, 6448, 6851, 7072, 7384, 8432, 8804, 9656, 12896, 13702, 14144, 14768, 15691, 16864, 17608, 19312, 25792, 27404, 28613, 29536, 31382, 33728, 35216, 37417, 38624, 54808, 57226, 59072, 62764, 70432, 74834, 77248, 109616, 114452, 125528, 140864, 149668, 219232, 228904, 251056, 299336, 438464, 457808, 486421, 502112, 598672, 915616, 972842, 1004224, 1197344, 1831232, 1945684, 2394688, 3891368, 7782736, 15565472, 31130944]

約数ペア:

[(1, 31130944), (2, 15565472), (4, 7782736), (8, 3891368), (13, 2394688), (16, 1945684), (17, 1831232), (26, 1197344), (31, 1004224), (32, 972842), (34, 915616), (52, 598672), (62, 502112), (64, 486421), (68, 457808), (71, 438464), (104, 299336), (124, 251056), (136, 228904), (142, 219232), (208, 149668), (221, 140864), (248, 125528), (272, 114452), (284, 109616), (403, 77248), (416, 74834), (442, 70432), (496, 62764), (527, 59072), (544, 57226), (568, 54808), (806, 38624), (832, 37417), (884, 35216), (923, 33728), (992, 31382), (1054, 29536), (1088, 28613), (1136, 27404), (1207, 25792), (1612, 19312), (1768, 17608), (1846, 16864), (1984, 15691), (2108, 14768), (2201, 14144), (2272, 13702), (2414, 12896), (3224, 9656), (3536, 8804), (3692, 8432), (4216, 7384), (4402, 7072), (4544, 6851), (4828, 6448)]