31897944

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:721

約数の個数: 96

約数和(自身を含む): 94938480

約数和(自身を除く): 63040536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 53, 72, 78, 104, 106, 117, 156, 159, 212, 234, 312, 318, 424, 468, 477, 636, 643, 689, 936, 954, 1272, 1286, 1378, 1908, 1929, 2067, 2572, 2756, 3816, 3858, 4134, 5144, 5512, 5787, 6201, 7716, 8268, 8359, 11574, 12402, 15432, 16536, 16718, 23148, 24804, 25077, 33436, 34079, 46296, 49608, 50154, 66872, 68158, 75231, 100308, 102237, 136316, 150462, 200616, 204474, 272632, 300924, 306711, 408948, 443027, 601848, 613422, 817896, 886054, 1226844, 1329081, 1772108, 2453688, 2658162, 3544216, 3987243, 5316324, 7974486, 10632648, 15948972, 31897944]

約数ペア:

[(1, 31897944), (2, 15948972), (3, 10632648), (4, 7974486), (6, 5316324), (8, 3987243), (9, 3544216), (12, 2658162), (13, 2453688), (18, 1772108), (24, 1329081), (26, 1226844), (36, 886054), (39, 817896), (52, 613422), (53, 601848), (72, 443027), (78, 408948), (104, 306711), (106, 300924), (117, 272632), (156, 204474), (159, 200616), (212, 150462), (234, 136316), (312, 102237), (318, 100308), (424, 75231), (468, 68158), (477, 66872), (636, 50154), (643, 49608), (689, 46296), (936, 34079), (954, 33436), (1272, 25077), (1286, 24804), (1378, 23148), (1908, 16718), (1929, 16536), (2067, 15432), (2572, 12402), (2756, 11574), (3816, 8359), (3858, 8268), (4134, 7716), (5144, 6201), (5512, 5787)]