28527275

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 43997184

約数和(自身を除く): 15469909

約数列:

[1, 5, 7, 17, 25, 35, 43, 85, 119, 175, 215, 223, 301, 425, 595, 731, 1075, 1115, 1505, 1561, 2975, 3655, 3791, 5117, 5575, 7525, 7805, 9589, 18275, 18955, 25585, 26537, 39025, 47945, 67123, 94775, 127925, 132685, 163013, 239725, 335615, 663425, 815065, 1141091, 1678075, 4075325, 5705455, 28527275]

約数ペア:

[(1, 28527275), (5, 5705455), (7, 4075325), (17, 1678075), (25, 1141091), (35, 815065), (43, 663425), (85, 335615), (119, 239725), (175, 163013), (215, 132685), (223, 127925), (301, 94775), (425, 67123), (595, 47945), (731, 39025), (1075, 26537), (1115, 25585), (1505, 18955), (1561, 18275), (2975, 9589), (3655, 7805), (3791, 7525), (5117, 5575)]