28420974

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{709}}^1$

素因数の和:865

約数の個数: 48

約数和(自身を含む): 65791440

約数和(自身を除く): 37370466

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 131, 153, 262, 306, 393, 709, 786, 1179, 1418, 2127, 2227, 2358, 4254, 4454, 6381, 6681, 12053, 12762, 13362, 20043, 24106, 36159, 40086, 72318, 92879, 108477, 185758, 216954, 278637, 557274, 835911, 1578943, 1671822, 3157886, 4736829, 9473658, 14210487, 28420974]

約数ペア:

[(1, 28420974), (2, 14210487), (3, 9473658), (6, 4736829), (9, 3157886), (17, 1671822), (18, 1578943), (34, 835911), (51, 557274), (102, 278637), (131, 216954), (153, 185758), (262, 108477), (306, 92879), (393, 72318), (709, 40086), (786, 36159), (1179, 24106), (1418, 20043), (2127, 13362), (2227, 12762), (2358, 12053), (4254, 6681), (4454, 6381)]