77921115

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 140434560

約数和(自身を除く): 62513445

約数列:

[1, 3, 5, 15, 17, 29, 41, 51, 85, 87, 123, 145, 205, 255, 257, 435, 493, 615, 697, 771, 1189, 1285, 1479, 2091, 2465, 3485, 3567, 3855, 4369, 5945, 7395, 7453, 10455, 10537, 13107, 17835, 20213, 21845, 22359, 31611, 37265, 52685, 60639, 65535, 101065, 111795, 126701, 158055, 179129, 303195, 305573, 380103, 537387, 633505, 895645, 916719, 1527865, 1900515, 2686935, 4583595, 5194741, 15584223, 25973705, 77921115]

約数ペア:

[(1, 77921115), (3, 25973705), (5, 15584223), (15, 5194741), (17, 4583595), (29, 2686935), (41, 1900515), (51, 1527865), (85, 916719), (87, 895645), (123, 633505), (145, 537387), (205, 380103), (255, 305573), (257, 303195), (435, 179129), (493, 158055), (615, 126701), (697, 111795), (771, 101065), (1189, 65535), (1285, 60639), (1479, 52685), (2091, 37265), (2465, 31611), (3485, 22359), (3567, 21845), (3855, 20213), (4369, 17835), (5945, 13107), (7395, 10537), (7453, 10455)]