209638966

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 330372000

約数和(自身を除く): 120733034

約数列:

[1, 2, 37, 74, 89, 139, 178, 229, 278, 458, 3293, 5143, 6586, 8473, 10286, 12371, 16946, 20381, 24742, 31831, 40762, 63662, 457727, 754097, 915454, 1177747, 1508194, 2355494, 2832959, 5665918, 104819483, 209638966]

約数ペア:

[(1, 209638966), (2, 104819483), (37, 5665918), (74, 2832959), (89, 2355494), (139, 1508194), (178, 1177747), (229, 915454), (278, 754097), (458, 457727), (3293, 63662), (5143, 40762), (6586, 31831), (8473, 24742), (10286, 20381), (12371, 16946)]