16770845

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:126

約数の個数: 64

約数和(自身を含む): 27095040

約数和(自身を除く): 10324195

約数列:

[1, 5, 7, 13, 29, 31, 35, 41, 65, 91, 145, 155, 203, 205, 217, 287, 377, 403, 455, 533, 899, 1015, 1085, 1189, 1271, 1435, 1885, 2015, 2639, 2665, 2821, 3731, 4495, 5945, 6293, 6355, 8323, 8897, 11687, 13195, 14105, 15457, 16523, 18655, 31465, 36859, 41615, 44485, 58435, 77285, 81809, 82615, 108199, 115661, 184295, 258013, 409045, 479167, 540995, 578305, 1290065, 2395835, 3354169, 16770845]

約数ペア:

[(1, 16770845), (5, 3354169), (7, 2395835), (13, 1290065), (29, 578305), (31, 540995), (35, 479167), (41, 409045), (65, 258013), (91, 184295), (145, 115661), (155, 108199), (203, 82615), (205, 81809), (217, 77285), (287, 58435), (377, 44485), (403, 41615), (455, 36859), (533, 31465), (899, 18655), (1015, 16523), (1085, 15457), (1189, 14105), (1271, 13195), (1435, 11687), (1885, 8897), (2015, 8323), (2639, 6355), (2665, 6293), (2821, 5945), (3731, 4495)]