78028972

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 174666240

約数和(自身を除く): 96637268

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 49, 76, 92, 98, 133, 161, 196, 266, 322, 437, 532, 644, 874, 911, 931, 1127, 1748, 1822, 1862, 2254, 3059, 3644, 3724, 4508, 6118, 6377, 12236, 12754, 17309, 20953, 21413, 25508, 34618, 41906, 42826, 44639, 69236, 83812, 85652, 89278, 121163, 146671, 178556, 242326, 293342, 398107, 484652, 586684, 796214, 848141, 1026697, 1592428, 1696282, 2053394, 2786749, 3392564, 4106788, 5573498, 11146996, 19507243, 39014486, 78028972]

約数ペア:

[(1, 78028972), (2, 39014486), (4, 19507243), (7, 11146996), (14, 5573498), (19, 4106788), (23, 3392564), (28, 2786749), (38, 2053394), (46, 1696282), (49, 1592428), (76, 1026697), (92, 848141), (98, 796214), (133, 586684), (161, 484652), (196, 398107), (266, 293342), (322, 242326), (437, 178556), (532, 146671), (644, 121163), (874, 89278), (911, 85652), (931, 83812), (1127, 69236), (1748, 44639), (1822, 42826), (1862, 41906), (2254, 34618), (3059, 25508), (3644, 21413), (3724, 20953), (4508, 17309), (6118, 12754), (6377, 12236)]