138772865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 222842880

約数和(自身を除く): 84070015

約数列:

[1, 5, 7, 11, 19, 35, 55, 61, 77, 95, 133, 209, 305, 311, 385, 427, 665, 671, 1045, 1159, 1463, 1555, 2135, 2177, 3355, 3421, 4697, 5795, 5909, 7315, 8113, 10885, 12749, 17105, 18971, 23485, 23947, 29545, 40565, 41363, 63745, 64999, 89243, 94855, 119735, 132797, 206815, 208681, 324995, 360449, 446215, 454993, 663985, 1043405, 1460767, 1802245, 2274965, 2523143, 3964939, 7303835, 12615715, 19824695, 27754573, 138772865]

約数ペア:

[(1, 138772865), (5, 27754573), (7, 19824695), (11, 12615715), (19, 7303835), (35, 3964939), (55, 2523143), (61, 2274965), (77, 1802245), (95, 1460767), (133, 1043405), (209, 663985), (305, 454993), (311, 446215), (385, 360449), (427, 324995), (665, 208681), (671, 206815), (1045, 132797), (1159, 119735), (1463, 94855), (1555, 89243), (2135, 64999), (2177, 63745), (3355, 41363), (3421, 40565), (4697, 29545), (5795, 23947), (5909, 23485), (7315, 18971), (8113, 17105), (10885, 12749)]