291502145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 425502720

約数和(自身を除く): 134000575

約数列:

[1, 5, 11, 17, 31, 55, 85, 89, 113, 155, 187, 341, 445, 527, 565, 935, 979, 1243, 1513, 1705, 1921, 2635, 2759, 3503, 4895, 5797, 6215, 7565, 9605, 10057, 13795, 16643, 17515, 21131, 28985, 30349, 38533, 46903, 50285, 59551, 83215, 105655, 110627, 151745, 170969, 192665, 234515, 297755, 311767, 515933, 553135, 655061, 854845, 1558835, 1880659, 2579665, 3275305, 3429437, 5300039, 9403295, 17147185, 26500195, 58300429, 291502145]

約数ペア:

[(1, 291502145), (5, 58300429), (11, 26500195), (17, 17147185), (31, 9403295), (55, 5300039), (85, 3429437), (89, 3275305), (113, 2579665), (155, 1880659), (187, 1558835), (341, 854845), (445, 655061), (527, 553135), (565, 515933), (935, 311767), (979, 297755), (1243, 234515), (1513, 192665), (1705, 170969), (1921, 151745), (2635, 110627), (2759, 105655), (3503, 83215), (4895, 59551), (5797, 50285), (6215, 46903), (7565, 38533), (9605, 30349), (10057, 28985), (13795, 21131), (16643, 17515)]