31215708

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1047

約数の個数: 72

約数和(自身を含む): 84913920

約数和(自身を除く): 53698212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 47, 57, 76, 94, 114, 141, 171, 188, 228, 282, 342, 423, 564, 684, 846, 893, 971, 1692, 1786, 1942, 2679, 2913, 3572, 3884, 5358, 5826, 8037, 8739, 10716, 11652, 16074, 17478, 18449, 32148, 34956, 36898, 45637, 55347, 73796, 91274, 110694, 136911, 166041, 182548, 221388, 273822, 332082, 410733, 547644, 664164, 821466, 867103, 1642932, 1734206, 2601309, 3468412, 5202618, 7803927, 10405236, 15607854, 31215708]

約数ペア:

[(1, 31215708), (2, 15607854), (3, 10405236), (4, 7803927), (6, 5202618), (9, 3468412), (12, 2601309), (18, 1734206), (19, 1642932), (36, 867103), (38, 821466), (47, 664164), (57, 547644), (76, 410733), (94, 332082), (114, 273822), (141, 221388), (171, 182548), (188, 166041), (228, 136911), (282, 110694), (342, 91274), (423, 73796), (564, 55347), (684, 45637), (846, 36898), (893, 34956), (971, 32148), (1692, 18449), (1786, 17478), (1942, 16074), (2679, 11652), (2913, 10716), (3572, 8739), (3884, 8037), (5358, 5826)]