28177045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 38031840

約数和(自身を除く): 9854795

約数列:

[1, 5, 13, 41, 65, 97, 109, 205, 485, 533, 545, 1261, 1417, 2665, 3977, 4469, 6305, 7085, 10573, 19885, 22345, 51701, 52865, 58097, 137449, 258505, 290485, 433493, 687245, 2167465, 5635409, 28177045]

約数ペア:

[(1, 28177045), (5, 5635409), (13, 2167465), (41, 687245), (65, 433493), (97, 290485), (109, 258505), (205, 137449), (485, 58097), (533, 52865), (545, 51701), (1261, 22345), (1417, 19885), (2665, 10573), (3977, 7085), (4469, 6305)]