820653886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{593}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 1465744896

約数和(自身を除く): 645091010

約数列:

[1, 2, 13, 17, 26, 31, 34, 62, 101, 202, 221, 403, 442, 527, 593, 806, 1054, 1186, 1313, 1717, 2626, 3131, 3434, 6262, 6851, 7709, 10081, 13702, 15418, 18383, 20162, 22321, 36766, 40703, 44642, 53227, 59893, 81406, 106454, 119786, 131053, 238979, 262106, 312511, 477958, 625022, 691951, 778609, 1018181, 1383902, 1557218, 1856683, 2036362, 3713366, 4062643, 8125286, 13236353, 24136879, 26472706, 31563611, 48273758, 63127222, 410326943, 820653886]

約数ペア:

[(1, 820653886), (2, 410326943), (13, 63127222), (17, 48273758), (26, 31563611), (31, 26472706), (34, 24136879), (62, 13236353), (101, 8125286), (202, 4062643), (221, 3713366), (403, 2036362), (442, 1856683), (527, 1557218), (593, 1383902), (806, 1018181), (1054, 778609), (1186, 691951), (1313, 625022), (1717, 477958), (2626, 312511), (3131, 262106), (3434, 238979), (6262, 131053), (6851, 119786), (7709, 106454), (10081, 81406), (13702, 59893), (15418, 53227), (18383, 44642), (20162, 40703), (22321, 36766)]