28384730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 60559488

約数和(自身を除く): 32174758

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 43, 55, 85, 86, 110, 170, 187, 215, 353, 374, 430, 473, 706, 731, 935, 946, 1462, 1765, 1870, 2365, 3530, 3655, 3883, 4730, 6001, 7310, 7766, 8041, 12002, 15179, 16082, 19415, 30005, 30358, 38830, 40205, 60010, 66011, 75895, 80410, 132022, 151790, 166969, 258043, 330055, 333938, 516086, 660110, 834845, 1290215, 1669690, 2580430, 2838473, 5676946, 14192365, 28384730]

約数ペア:

[(1, 28384730), (2, 14192365), (5, 5676946), (10, 2838473), (11, 2580430), (17, 1669690), (22, 1290215), (34, 834845), (43, 660110), (55, 516086), (85, 333938), (86, 330055), (110, 258043), (170, 166969), (187, 151790), (215, 132022), (353, 80410), (374, 75895), (430, 66011), (473, 60010), (706, 40205), (731, 38830), (935, 30358), (946, 30005), (1462, 19415), (1765, 16082), (1870, 15179), (2365, 12002), (3530, 8041), (3655, 7766), (3883, 7310), (4730, 6001)]