16856892

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 46373600

約数和(自身を除く): 29516708

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 181, 199, 234, 362, 398, 468, 543, 597, 724, 796, 1086, 1194, 1629, 1791, 2172, 2353, 2388, 2587, 3258, 3582, 4706, 5174, 6516, 7059, 7164, 7761, 9412, 10348, 14118, 15522, 21177, 23283, 28236, 31044, 36019, 42354, 46566, 72038, 84708, 93132, 108057, 144076, 216114, 324171, 432228, 468247, 648342, 936494, 1296684, 1404741, 1872988, 2809482, 4214223, 5618964, 8428446, 16856892]

約数ペア:

[(1, 16856892), (2, 8428446), (3, 5618964), (4, 4214223), (6, 2809482), (9, 1872988), (12, 1404741), (13, 1296684), (18, 936494), (26, 648342), (36, 468247), (39, 432228), (52, 324171), (78, 216114), (117, 144076), (156, 108057), (181, 93132), (199, 84708), (234, 72038), (362, 46566), (398, 42354), (468, 36019), (543, 31044), (597, 28236), (724, 23283), (796, 21177), (1086, 15522), (1194, 14118), (1629, 10348), (1791, 9412), (2172, 7761), (2353, 7164), (2388, 7059), (2587, 6516), (3258, 5174), (3582, 4706)]