31579716

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1313

約数の個数: 72

約数和(自身を含む): 87780000

約数和(自身を除く): 56200284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 84, 86, 98, 129, 147, 172, 196, 258, 294, 301, 516, 588, 602, 903, 1204, 1249, 1806, 2107, 2498, 3612, 3747, 4214, 4996, 6321, 7494, 8428, 8743, 12642, 14988, 17486, 25284, 26229, 34972, 52458, 53707, 61201, 104916, 107414, 122402, 161121, 183603, 214828, 244804, 322242, 367206, 375949, 644484, 734412, 751898, 1127847, 1503796, 2255694, 2631643, 4511388, 5263286, 7894929, 10526572, 15789858, 31579716]

約数ペア:

[(1, 31579716), (2, 15789858), (3, 10526572), (4, 7894929), (6, 5263286), (7, 4511388), (12, 2631643), (14, 2255694), (21, 1503796), (28, 1127847), (42, 751898), (43, 734412), (49, 644484), (84, 375949), (86, 367206), (98, 322242), (129, 244804), (147, 214828), (172, 183603), (196, 161121), (258, 122402), (294, 107414), (301, 104916), (516, 61201), (588, 53707), (602, 52458), (903, 34972), (1204, 26229), (1249, 25284), (1806, 17486), (2107, 14988), (2498, 12642), (3612, 8743), (3747, 8428), (4214, 7494), (4996, 6321)]