2178904

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 5221440

約数和(自身を除く): 3042536

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 56, 73, 82, 91, 104, 146, 164, 182, 287, 292, 328, 364, 511, 533, 574, 584, 728, 949, 1022, 1066, 1148, 1898, 2044, 2132, 2296, 2993, 3731, 3796, 4088, 4264, 5986, 6643, 7462, 7592, 11972, 13286, 14924, 20951, 23944, 26572, 29848, 38909, 41902, 53144, 77818, 83804, 155636, 167608, 272363, 311272, 544726, 1089452, 2178904]

約数ペア:

[(1, 2178904), (2, 1089452), (4, 544726), (7, 311272), (8, 272363), (13, 167608), (14, 155636), (26, 83804), (28, 77818), (41, 53144), (52, 41902), (56, 38909), (73, 29848), (82, 26572), (91, 23944), (104, 20951), (146, 14924), (164, 13286), (182, 11972), (287, 7592), (292, 7462), (328, 6643), (364, 5986), (511, 4264), (533, 4088), (574, 3796), (584, 3731), (728, 2993), (949, 2296), (1022, 2132), (1066, 2044), (1148, 1898)]