77613328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 174988800

約数和(自身を除く): 97375472

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 41, 52, 76, 82, 104, 152, 164, 208, 247, 304, 328, 479, 494, 533, 656, 779, 958, 988, 1066, 1558, 1916, 1976, 2132, 3116, 3832, 3952, 4264, 6227, 6232, 7664, 8528, 9101, 10127, 12454, 12464, 18202, 19639, 20254, 24908, 36404, 39278, 40508, 49816, 72808, 78556, 81016, 99632, 118313, 145616, 157112, 162032, 236626, 255307, 314224, 373141, 473252, 510614, 746282, 946504, 1021228, 1492564, 1893008, 2042456, 2985128, 4084912, 4850833, 5970256, 9701666, 19403332, 38806664, 77613328]

約数ペア:

[(1, 77613328), (2, 38806664), (4, 19403332), (8, 9701666), (13, 5970256), (16, 4850833), (19, 4084912), (26, 2985128), (38, 2042456), (41, 1893008), (52, 1492564), (76, 1021228), (82, 946504), (104, 746282), (152, 510614), (164, 473252), (208, 373141), (247, 314224), (304, 255307), (328, 236626), (479, 162032), (494, 157112), (533, 145616), (656, 118313), (779, 99632), (958, 81016), (988, 78556), (1066, 72808), (1558, 49816), (1916, 40508), (1976, 39278), (2132, 36404), (3116, 24908), (3832, 20254), (3952, 19639), (4264, 18202), (6227, 12464), (6232, 12454), (7664, 10127), (8528, 9101)]