28655686

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:376

約数の個数: 32

約数和(自身を含む): 47196000

約数和(自身を除く): 18540314

約数列:

[1, 2, 19, 37, 38, 74, 89, 178, 229, 458, 703, 1406, 1691, 3293, 3382, 4351, 6586, 8473, 8702, 16946, 20381, 40762, 62567, 125134, 160987, 321974, 387239, 754097, 774478, 1508194, 14327843, 28655686]

約数ペア:

[(1, 28655686), (2, 14327843), (19, 1508194), (37, 774478), (38, 754097), (74, 387239), (89, 321974), (178, 160987), (229, 125134), (458, 62567), (703, 40762), (1406, 20381), (1691, 16946), (3293, 8702), (3382, 8473), (4351, 6586)]