638533716

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 1601873280

約数和(自身を除く): 963339564

約数列:

[1, 2, 3, 4, 6, 12, 29, 37, 58, 74, 87, 101, 111, 116, 148, 174, 202, 222, 303, 348, 404, 444, 491, 606, 982, 1073, 1212, 1473, 1964, 2146, 2929, 2946, 3219, 3737, 4292, 5858, 5892, 6438, 7474, 8787, 11211, 11716, 12876, 14239, 14948, 17574, 18167, 22422, 28478, 35148, 36334, 42717, 44844, 49591, 54501, 56956, 72668, 85434, 99182, 108373, 109002, 148773, 170868, 198364, 216746, 218004, 297546, 325119, 433492, 526843, 595092, 650238, 1053686, 1300476, 1438139, 1580529, 1834867, 2107372, 2876278, 3161058, 3669734, 4314417, 5504601, 5752556, 6322116, 7339468, 8628834, 11009202, 17257668, 22018404, 53211143, 106422286, 159633429, 212844572, 319266858, 638533716]

約数ペア:

[(1, 638533716), (2, 319266858), (3, 212844572), (4, 159633429), (6, 106422286), (12, 53211143), (29, 22018404), (37, 17257668), (58, 11009202), (74, 8628834), (87, 7339468), (101, 6322116), (111, 5752556), (116, 5504601), (148, 4314417), (174, 3669734), (202, 3161058), (222, 2876278), (303, 2107372), (348, 1834867), (404, 1580529), (444, 1438139), (491, 1300476), (606, 1053686), (982, 650238), (1073, 595092), (1212, 526843), (1473, 433492), (1964, 325119), (2146, 297546), (2929, 218004), (2946, 216746), (3219, 198364), (3737, 170868), (4292, 148773), (5858, 109002), (5892, 108373), (6438, 99182), (7474, 85434), (8787, 72668), (11211, 56956), (11716, 54501), (12876, 49591), (14239, 44844), (14948, 42717), (17574, 36334), (18167, 35148), (22422, 28478)]