78818004

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{829}}^1$

素因数の和:997

約数の個数: 72

約数和(自身を含む): 211484000

約数和(自身を除く): 132665996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 139, 171, 228, 278, 342, 417, 556, 684, 829, 834, 1251, 1658, 1668, 2487, 2502, 2641, 3316, 4974, 5004, 5282, 7461, 7923, 9948, 10564, 14922, 15751, 15846, 23769, 29844, 31502, 31692, 47253, 47538, 63004, 94506, 95076, 115231, 141759, 189012, 230462, 283518, 345693, 460924, 567036, 691386, 1037079, 1382772, 2074158, 2189389, 4148316, 4378778, 6568167, 8757556, 13136334, 19704501, 26272668, 39409002, 78818004]

約数ペア:

[(1, 78818004), (2, 39409002), (3, 26272668), (4, 19704501), (6, 13136334), (9, 8757556), (12, 6568167), (18, 4378778), (19, 4148316), (36, 2189389), (38, 2074158), (57, 1382772), (76, 1037079), (114, 691386), (139, 567036), (171, 460924), (228, 345693), (278, 283518), (342, 230462), (417, 189012), (556, 141759), (684, 115231), (829, 95076), (834, 94506), (1251, 63004), (1658, 47538), (1668, 47253), (2487, 31692), (2502, 31502), (2641, 29844), (3316, 23769), (4974, 15846), (5004, 15751), (5282, 14922), (7461, 10564), (7923, 9948)]