28691005

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 13817795

約数列:

[1, 5, 7, 23, 29, 35, 115, 145, 161, 203, 667, 805, 1015, 1229, 3335, 4669, 6145, 8603, 23345, 28267, 35641, 43015, 141335, 178205, 197869, 249487, 819743, 989345, 1247435, 4098715, 5738201, 28691005]

約数ペア:

[(1, 28691005), (5, 5738201), (7, 4098715), (23, 1247435), (29, 989345), (35, 819743), (115, 249487), (145, 197869), (161, 178205), (203, 141335), (667, 43015), (805, 35641), (1015, 28267), (1229, 23345), (3335, 8603), (4669, 6145)]