28423864

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 65534400

約数和(自身を除く): 37110536

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 73, 119, 136, 146, 238, 292, 409, 476, 511, 584, 818, 952, 1022, 1241, 1636, 2044, 2482, 2863, 3272, 4088, 4964, 5726, 6953, 8687, 9928, 11452, 13906, 17374, 22904, 27812, 29857, 34748, 48671, 55624, 59714, 69496, 97342, 119428, 194684, 208999, 238856, 389368, 417998, 507569, 835996, 1015138, 1671992, 2030276, 3552983, 4060552, 7105966, 14211932, 28423864]

約数ペア:

[(1, 28423864), (2, 14211932), (4, 7105966), (7, 4060552), (8, 3552983), (14, 2030276), (17, 1671992), (28, 1015138), (34, 835996), (56, 507569), (68, 417998), (73, 389368), (119, 238856), (136, 208999), (146, 194684), (238, 119428), (292, 97342), (409, 69496), (476, 59714), (511, 55624), (584, 48671), (818, 34748), (952, 29857), (1022, 27812), (1241, 22904), (1636, 17374), (2044, 13906), (2482, 11452), (2863, 9928), (3272, 8687), (4088, 6953), (4964, 5726)]