28501690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 63638784

約数和(自身を除く): 35137094

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 43, 70, 85, 86, 119, 170, 215, 238, 301, 430, 557, 595, 602, 731, 1114, 1190, 1462, 1505, 2785, 3010, 3655, 3899, 5117, 5570, 7310, 7798, 9469, 10234, 18938, 19495, 23951, 25585, 38990, 47345, 47902, 51170, 66283, 94690, 119755, 132566, 167657, 239510, 331415, 335314, 407167, 662830, 814334, 838285, 1676570, 2035835, 2850169, 4071670, 5700338, 14250845, 28501690]

約数ペア:

[(1, 28501690), (2, 14250845), (5, 5700338), (7, 4071670), (10, 2850169), (14, 2035835), (17, 1676570), (34, 838285), (35, 814334), (43, 662830), (70, 407167), (85, 335314), (86, 331415), (119, 239510), (170, 167657), (215, 132566), (238, 119755), (301, 94690), (430, 66283), (557, 51170), (595, 47902), (602, 47345), (731, 38990), (1114, 25585), (1190, 23951), (1462, 19495), (1505, 18938), (2785, 10234), (3010, 9469), (3655, 7798), (3899, 7310), (5117, 5570)]