28551390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1721}}^1$

素因数の和:1817

約数の個数: 64

約数和(自身を含む): 79349760

約数和(自身を除く): 50798370

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 79, 105, 158, 210, 237, 395, 474, 553, 790, 1106, 1185, 1659, 1721, 2370, 2765, 3318, 3442, 5163, 5530, 8295, 8605, 10326, 12047, 16590, 17210, 24094, 25815, 36141, 51630, 60235, 72282, 120470, 135959, 180705, 271918, 361410, 407877, 679795, 815754, 951713, 1359590, 1903426, 2039385, 2855139, 4078770, 4758565, 5710278, 9517130, 14275695, 28551390]

約数ペア:

[(1, 28551390), (2, 14275695), (3, 9517130), (5, 5710278), (6, 4758565), (7, 4078770), (10, 2855139), (14, 2039385), (15, 1903426), (21, 1359590), (30, 951713), (35, 815754), (42, 679795), (70, 407877), (79, 361410), (105, 271918), (158, 180705), (210, 135959), (237, 120470), (395, 72282), (474, 60235), (553, 51630), (790, 36141), (1106, 25815), (1185, 24094), (1659, 17210), (1721, 16590), (2370, 12047), (2765, 10326), (3318, 8605), (3442, 8295), (5163, 5530)]