91618828

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 193945920

約数和(自身を除く): 102327092

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 79, 97, 98, 122, 158, 194, 196, 244, 316, 388, 427, 553, 679, 854, 1106, 1358, 1708, 2212, 2716, 2989, 3871, 4753, 4819, 5917, 5978, 7663, 7742, 9506, 9638, 11834, 11956, 15326, 15484, 19012, 19276, 23668, 30652, 33733, 41419, 53641, 67466, 82838, 107282, 134932, 165676, 214564, 236131, 289933, 375487, 467443, 472262, 579866, 750974, 934886, 944524, 1159732, 1501948, 1869772, 3272101, 6544202, 13088404, 22904707, 45809414, 91618828]

約数ペア:

[(1, 91618828), (2, 45809414), (4, 22904707), (7, 13088404), (14, 6544202), (28, 3272101), (49, 1869772), (61, 1501948), (79, 1159732), (97, 944524), (98, 934886), (122, 750974), (158, 579866), (194, 472262), (196, 467443), (244, 375487), (316, 289933), (388, 236131), (427, 214564), (553, 165676), (679, 134932), (854, 107282), (1106, 82838), (1358, 67466), (1708, 53641), (2212, 41419), (2716, 33733), (2989, 30652), (3871, 23668), (4753, 19276), (4819, 19012), (5917, 15484), (5978, 15326), (7663, 11956), (7742, 11834), (9506, 9638)]