86378864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2038

約数の個数: 80

約数和(自身を含む): 207070080

約数和(自身を除く): 120691216

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 418, 494, 572, 836, 988, 1144, 1672, 1976, 1987, 2288, 2717, 3344, 3952, 3974, 5434, 7948, 10868, 15896, 21736, 21857, 25831, 31792, 37753, 43472, 43714, 51662, 75506, 87428, 103324, 151012, 174856, 206648, 284141, 302024, 349712, 413296, 415283, 490789, 568282, 604048, 830566, 981578, 1136564, 1661132, 1963156, 2273128, 3322264, 3926312, 4546256, 5398679, 6644528, 7852624, 10797358, 21594716, 43189432, 86378864]

約数ペア:

[(1, 86378864), (2, 43189432), (4, 21594716), (8, 10797358), (11, 7852624), (13, 6644528), (16, 5398679), (19, 4546256), (22, 3926312), (26, 3322264), (38, 2273128), (44, 1963156), (52, 1661132), (76, 1136564), (88, 981578), (104, 830566), (143, 604048), (152, 568282), (176, 490789), (208, 415283), (209, 413296), (247, 349712), (286, 302024), (304, 284141), (418, 206648), (494, 174856), (572, 151012), (836, 103324), (988, 87428), (1144, 75506), (1672, 51662), (1976, 43714), (1987, 43472), (2288, 37753), (2717, 31792), (3344, 25831), (3952, 21857), (3974, 21736), (5434, 15896), (7948, 10868)]