81719532

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3229}}^1$

素因数の和:3295

約数の個数: 72

約数和(自身を含む): 223386800

約数和(自身を除く): 141667268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 1332, 1406, 2109, 2812, 3229, 4218, 6327, 6458, 8436, 9687, 12654, 12916, 19374, 25308, 29061, 38748, 58122, 61351, 116244, 119473, 122702, 184053, 238946, 245404, 358419, 368106, 477892, 552159, 716838, 736212, 1075257, 1104318, 1433676, 2150514, 2208636, 2269987, 4301028, 4539974, 6809961, 9079948, 13619922, 20429883, 27239844, 40859766, 81719532]

約数ペア:

[(1, 81719532), (2, 40859766), (3, 27239844), (4, 20429883), (6, 13619922), (9, 9079948), (12, 6809961), (18, 4539974), (19, 4301028), (36, 2269987), (37, 2208636), (38, 2150514), (57, 1433676), (74, 1104318), (76, 1075257), (111, 736212), (114, 716838), (148, 552159), (171, 477892), (222, 368106), (228, 358419), (333, 245404), (342, 238946), (444, 184053), (666, 122702), (684, 119473), (703, 116244), (1332, 61351), (1406, 58122), (2109, 38748), (2812, 29061), (3229, 25308), (4218, 19374), (6327, 12916), (6458, 12654), (8436, 9687)]