77780984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1044

約数の個数: 64

約数和(自身を含む): 167961600

約数和(自身を除く): 90180616

約数列:

[1, 2, 4, 8, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 248, 323, 527, 589, 646, 971, 1054, 1178, 1292, 1942, 2108, 2356, 2584, 3884, 4216, 4712, 7768, 10013, 16507, 18449, 20026, 30101, 33014, 36898, 40052, 60202, 66028, 73796, 80104, 120404, 132056, 147592, 240808, 313633, 511717, 571919, 627266, 1023434, 1143838, 1254532, 2046868, 2287676, 2509064, 4093736, 4575352, 9722623, 19445246, 38890492, 77780984]

約数ペア:

[(1, 77780984), (2, 38890492), (4, 19445246), (8, 9722623), (17, 4575352), (19, 4093736), (31, 2509064), (34, 2287676), (38, 2046868), (62, 1254532), (68, 1143838), (76, 1023434), (124, 627266), (136, 571919), (152, 511717), (248, 313633), (323, 240808), (527, 147592), (589, 132056), (646, 120404), (971, 80104), (1054, 73796), (1178, 66028), (1292, 60202), (1942, 40052), (2108, 36898), (2356, 33014), (2584, 30101), (3884, 20026), (4216, 18449), (4712, 16507), (7768, 10013)]