289232132

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1993}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 594945792

約数和(自身を除く): 305713660

約数列:

[1, 2, 4, 7, 14, 28, 71, 73, 142, 146, 284, 292, 497, 511, 994, 1022, 1988, 1993, 2044, 3986, 5183, 7972, 10366, 13951, 20732, 27902, 36281, 55804, 72562, 141503, 145124, 145489, 283006, 290978, 566012, 581956, 990521, 1018423, 1981042, 2036846, 3962084, 4073692, 10329719, 20659438, 41318876, 72308033, 144616066, 289232132]

約数ペア:

[(1, 289232132), (2, 144616066), (4, 72308033), (7, 41318876), (14, 20659438), (28, 10329719), (71, 4073692), (73, 3962084), (142, 2036846), (146, 1981042), (284, 1018423), (292, 990521), (497, 581956), (511, 566012), (994, 290978), (1022, 283006), (1988, 145489), (1993, 145124), (2044, 141503), (3986, 72562), (5183, 55804), (7972, 36281), (10366, 27902), (13951, 20732)]