28906436

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:792

約数の個数: 36

約数和(自身を含む): 55754244

約数和(自身を除く): 26847808

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 169, 244, 338, 676, 701, 793, 1402, 1586, 2804, 3172, 9113, 10309, 18226, 20618, 36452, 41236, 42761, 85522, 118469, 171044, 236938, 473876, 555893, 1111786, 2223572, 7226609, 14453218, 28906436]

約数ペア:

[(1, 28906436), (2, 14453218), (4, 7226609), (13, 2223572), (26, 1111786), (52, 555893), (61, 473876), (122, 236938), (169, 171044), (244, 118469), (338, 85522), (676, 42761), (701, 41236), (793, 36452), (1402, 20618), (1586, 18226), (2804, 10309), (3172, 9113)]