8780828

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 18373824

約数和(自身を除く): 9592996

約数列:

[1, 2, 4, 7, 14, 28, 53, 61, 97, 106, 122, 194, 212, 244, 371, 388, 427, 679, 742, 854, 1358, 1484, 1708, 2716, 3233, 5141, 5917, 6466, 10282, 11834, 12932, 20564, 22631, 23668, 35987, 41419, 45262, 71974, 82838, 90524, 143948, 165676, 313601, 627202, 1254404, 2195207, 4390414, 8780828]

約数ペア:

[(1, 8780828), (2, 4390414), (4, 2195207), (7, 1254404), (14, 627202), (28, 313601), (53, 165676), (61, 143948), (97, 90524), (106, 82838), (122, 71974), (194, 45262), (212, 41419), (244, 35987), (371, 23668), (388, 22631), (427, 20564), (679, 12932), (742, 11834), (854, 10282), (1358, 6466), (1484, 5917), (1708, 5141), (2716, 3233)]