81984132

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1229}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 221621400

約数和(自身を除く): 139637268

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 109, 153, 204, 218, 306, 327, 436, 612, 654, 981, 1229, 1308, 1853, 1962, 2458, 3687, 3706, 3924, 4916, 5559, 7374, 7412, 11061, 11118, 14748, 16677, 20893, 22122, 22236, 33354, 41786, 44244, 62679, 66708, 83572, 125358, 133961, 188037, 250716, 267922, 376074, 401883, 535844, 752148, 803766, 1205649, 1607532, 2277337, 2411298, 4554674, 4822596, 6832011, 9109348, 13664022, 20496033, 27328044, 40992066, 81984132]

約数ペア:

[(1, 81984132), (2, 40992066), (3, 27328044), (4, 20496033), (6, 13664022), (9, 9109348), (12, 6832011), (17, 4822596), (18, 4554674), (34, 2411298), (36, 2277337), (51, 1607532), (68, 1205649), (102, 803766), (109, 752148), (153, 535844), (204, 401883), (218, 376074), (306, 267922), (327, 250716), (436, 188037), (612, 133961), (654, 125358), (981, 83572), (1229, 66708), (1308, 62679), (1853, 44244), (1962, 41786), (2458, 33354), (3687, 22236), (3706, 22122), (3924, 20893), (4916, 16677), (5559, 14748), (7374, 11118), (7412, 11061)]