81646784

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{743}}^1$

素因数の和:873

約数の個数: 56

約数和(自身を含む): 173479968

約数和(自身を除く): 91833184

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 101, 136, 202, 272, 404, 544, 743, 808, 1088, 1486, 1616, 1717, 2972, 3232, 3434, 5944, 6464, 6868, 11888, 12631, 13736, 23776, 25262, 27472, 47552, 50524, 54944, 75043, 101048, 109888, 150086, 202096, 300172, 404192, 600344, 808384, 1200688, 1275731, 2401376, 2551462, 4802752, 5102924, 10205848, 20411696, 40823392, 81646784]

約数ペア:

[(1, 81646784), (2, 40823392), (4, 20411696), (8, 10205848), (16, 5102924), (17, 4802752), (32, 2551462), (34, 2401376), (64, 1275731), (68, 1200688), (101, 808384), (136, 600344), (202, 404192), (272, 300172), (404, 202096), (544, 150086), (743, 109888), (808, 101048), (1088, 75043), (1486, 54944), (1616, 50524), (1717, 47552), (2972, 27472), (3232, 25262), (3434, 23776), (5944, 13736), (6464, 12631), (6868, 11888)]