245218788

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1877}}^1$

素因数の和:2097

約数の個数: 72

約数和(自身を含む): 656248320

約数和(自身を除く): 411029532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 191, 228, 342, 382, 573, 684, 764, 1146, 1719, 1877, 2292, 3438, 3629, 3754, 5631, 6876, 7258, 7508, 10887, 11262, 14516, 16893, 21774, 22524, 32661, 33786, 35663, 43548, 65322, 67572, 71326, 106989, 130644, 142652, 213978, 320967, 358507, 427956, 641934, 717014, 1075521, 1283868, 1434028, 2151042, 3226563, 4302084, 6453126, 6811633, 12906252, 13623266, 20434899, 27246532, 40869798, 61304697, 81739596, 122609394, 245218788]

約数ペア:

[(1, 245218788), (2, 122609394), (3, 81739596), (4, 61304697), (6, 40869798), (9, 27246532), (12, 20434899), (18, 13623266), (19, 12906252), (36, 6811633), (38, 6453126), (57, 4302084), (76, 3226563), (114, 2151042), (171, 1434028), (191, 1283868), (228, 1075521), (342, 717014), (382, 641934), (573, 427956), (684, 358507), (764, 320967), (1146, 213978), (1719, 142652), (1877, 130644), (2292, 106989), (3438, 71326), (3629, 67572), (3754, 65322), (5631, 43548), (6876, 35663), (7258, 33786), (7508, 32661), (10887, 22524), (11262, 21774), (14516, 16893)]