28305858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 69120000

約数和(自身を除く): 40814142

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 79, 114, 133, 158, 237, 266, 399, 449, 474, 553, 798, 898, 1106, 1347, 1501, 1659, 2694, 3002, 3143, 3318, 4503, 6286, 8531, 9006, 9429, 10507, 17062, 18858, 21014, 25593, 31521, 35471, 51186, 59717, 63042, 70942, 106413, 119434, 179151, 212826, 248297, 358302, 496594, 673949, 744891, 1347898, 1489782, 2021847, 4043694, 4717643, 9435286, 14152929, 28305858]

約数ペア:

[(1, 28305858), (2, 14152929), (3, 9435286), (6, 4717643), (7, 4043694), (14, 2021847), (19, 1489782), (21, 1347898), (38, 744891), (42, 673949), (57, 496594), (79, 358302), (114, 248297), (133, 212826), (158, 179151), (237, 119434), (266, 106413), (399, 70942), (449, 63042), (474, 59717), (553, 51186), (798, 35471), (898, 31521), (1106, 25593), (1347, 21014), (1501, 18858), (1659, 17062), (2694, 10507), (3002, 9429), (3143, 9006), (3318, 8531), (4503, 6286)]