31302712

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 40547528

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 131, 136, 238, 251, 262, 476, 502, 524, 917, 952, 1004, 1048, 1757, 1834, 2008, 2227, 3514, 3668, 4267, 4454, 7028, 7336, 8534, 8908, 14056, 15589, 17068, 17816, 29869, 31178, 32881, 34136, 59738, 62356, 65762, 119476, 124712, 131524, 230167, 238952, 263048, 460334, 558977, 920668, 1117954, 1841336, 2235908, 3912839, 4471816, 7825678, 15651356, 31302712]

約数ペア:

[(1, 31302712), (2, 15651356), (4, 7825678), (7, 4471816), (8, 3912839), (14, 2235908), (17, 1841336), (28, 1117954), (34, 920668), (56, 558977), (68, 460334), (119, 263048), (131, 238952), (136, 230167), (238, 131524), (251, 124712), (262, 119476), (476, 65762), (502, 62356), (524, 59738), (917, 34136), (952, 32881), (1004, 31178), (1048, 29869), (1757, 17816), (1834, 17068), (2008, 15589), (2227, 14056), (3514, 8908), (3668, 8534), (4267, 7336), (4454, 7028)]