218764568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{569}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 476474400

約数和(自身を除く): 257709832

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 257, 374, 514, 569, 748, 1028, 1138, 1496, 2056, 2276, 2827, 4369, 4552, 5654, 6259, 8738, 9673, 11308, 12518, 17476, 19346, 22616, 25036, 34952, 38692, 48059, 50072, 77384, 96118, 106403, 146233, 192236, 212806, 292466, 384472, 425612, 584932, 851224, 1169864, 1608563, 2485961, 3217126, 4971922, 6434252, 9943844, 12868504, 19887688, 27345571, 54691142, 109382284, 218764568]

約数ペア:

[(1, 218764568), (2, 109382284), (4, 54691142), (8, 27345571), (11, 19887688), (17, 12868504), (22, 9943844), (34, 6434252), (44, 4971922), (68, 3217126), (88, 2485961), (136, 1608563), (187, 1169864), (257, 851224), (374, 584932), (514, 425612), (569, 384472), (748, 292466), (1028, 212806), (1138, 192236), (1496, 146233), (2056, 106403), (2276, 96118), (2827, 77384), (4369, 50072), (4552, 48059), (5654, 38692), (6259, 34952), (8738, 25036), (9673, 22616), (11308, 19346), (12518, 17476)]