31681416

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 87752160

約数和(自身を除く): 56070744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 73, 78, 104, 107, 146, 156, 169, 214, 219, 292, 312, 321, 338, 428, 438, 507, 584, 642, 676, 856, 876, 949, 1014, 1284, 1352, 1391, 1752, 1898, 2028, 2568, 2782, 2847, 3796, 4056, 4173, 5564, 5694, 7592, 7811, 8346, 11128, 11388, 12337, 15622, 16692, 18083, 22776, 23433, 24674, 31244, 33384, 36166, 37011, 46866, 49348, 54249, 62488, 72332, 74022, 93732, 98696, 101543, 108498, 144664, 148044, 187464, 203086, 216996, 296088, 304629, 406172, 433992, 609258, 812344, 1218516, 1320059, 2437032, 2640118, 3960177, 5280236, 7920354, 10560472, 15840708, 31681416]

約数ペア:

[(1, 31681416), (2, 15840708), (3, 10560472), (4, 7920354), (6, 5280236), (8, 3960177), (12, 2640118), (13, 2437032), (24, 1320059), (26, 1218516), (39, 812344), (52, 609258), (73, 433992), (78, 406172), (104, 304629), (107, 296088), (146, 216996), (156, 203086), (169, 187464), (214, 148044), (219, 144664), (292, 108498), (312, 101543), (321, 98696), (338, 93732), (428, 74022), (438, 72332), (507, 62488), (584, 54249), (642, 49348), (676, 46866), (856, 37011), (876, 36166), (949, 33384), (1014, 31244), (1284, 24674), (1352, 23433), (1391, 22776), (1752, 18083), (1898, 16692), (2028, 15622), (2568, 12337), (2782, 11388), (2847, 11128), (3796, 8346), (4056, 7811), (4173, 7592), (5564, 5694)]