28328748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2069}}^1$

素因数の和:2246

約数の個数: 48

約数和(自身を含む): 76043520

約数和(自身を除く): 47714772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 163, 326, 489, 652, 978, 1141, 1956, 2069, 2282, 3423, 4138, 4564, 6207, 6846, 8276, 12414, 13692, 14483, 24828, 28966, 43449, 57932, 86898, 173796, 337247, 674494, 1011741, 1348988, 2023482, 2360729, 4046964, 4721458, 7082187, 9442916, 14164374, 28328748]

約数ペア:

[(1, 28328748), (2, 14164374), (3, 9442916), (4, 7082187), (6, 4721458), (7, 4046964), (12, 2360729), (14, 2023482), (21, 1348988), (28, 1011741), (42, 674494), (84, 337247), (163, 173796), (326, 86898), (489, 57932), (652, 43449), (978, 28966), (1141, 24828), (1956, 14483), (2069, 13692), (2282, 12414), (3423, 8276), (4138, 6846), (4564, 6207)]