31965828

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 80906112

約数和(自身を除く): 48940284

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 47, 57, 76, 94, 114, 141, 157, 188, 228, 282, 314, 361, 471, 564, 628, 722, 893, 942, 1083, 1444, 1786, 1884, 2166, 2679, 2983, 3572, 4332, 5358, 5966, 7379, 8949, 10716, 11932, 14758, 16967, 17898, 22137, 29516, 33934, 35796, 44274, 50901, 56677, 67868, 88548, 101802, 113354, 140201, 170031, 203604, 226708, 280402, 340062, 420603, 560804, 680124, 841206, 1682412, 2663819, 5327638, 7991457, 10655276, 15982914, 31965828]

約数ペア:

[(1, 31965828), (2, 15982914), (3, 10655276), (4, 7991457), (6, 5327638), (12, 2663819), (19, 1682412), (38, 841206), (47, 680124), (57, 560804), (76, 420603), (94, 340062), (114, 280402), (141, 226708), (157, 203604), (188, 170031), (228, 140201), (282, 113354), (314, 101802), (361, 88548), (471, 67868), (564, 56677), (628, 50901), (722, 44274), (893, 35796), (942, 33934), (1083, 29516), (1444, 22137), (1786, 17898), (1884, 16967), (2166, 14758), (2679, 11932), (2983, 10716), (3572, 8949), (4332, 7379), (5358, 5966)]