16504915

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 25116480

約数和(自身を除く): 8611565

約数列:

[1, 5, 7, 23, 29, 35, 49, 101, 115, 145, 161, 203, 245, 505, 667, 707, 805, 1015, 1127, 1421, 2323, 2929, 3335, 3535, 4669, 4949, 5635, 7105, 11615, 14645, 16261, 20503, 23345, 24745, 32683, 67367, 81305, 102515, 113827, 143521, 163415, 336835, 471569, 569135, 717605, 2357845, 3300983, 16504915]

約数ペア:

[(1, 16504915), (5, 3300983), (7, 2357845), (23, 717605), (29, 569135), (35, 471569), (49, 336835), (101, 163415), (115, 143521), (145, 113827), (161, 102515), (203, 81305), (245, 67367), (505, 32683), (667, 24745), (707, 23345), (805, 20503), (1015, 16261), (1127, 14645), (1421, 11615), (2323, 7105), (2929, 5635), (3335, 4949), (3535, 4669)]