221870544

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{660329}}^1$

素因数の和:660347

約数の個数: 40

約数和(自身を含む): 655047360

約数和(自身を除く): 433176816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 660329, 1320658, 1980987, 2641316, 3961974, 4622303, 5282632, 7923948, 9244606, 10565264, 13866909, 15847896, 18489212, 27733818, 31695792, 36978424, 55467636, 73956848, 110935272, 221870544]

約数ペア:

[(1, 221870544), (2, 110935272), (3, 73956848), (4, 55467636), (6, 36978424), (7, 31695792), (8, 27733818), (12, 18489212), (14, 15847896), (16, 13866909), (21, 10565264), (24, 9244606), (28, 7923948), (42, 5282632), (48, 4622303), (56, 3961974), (84, 2641316), (112, 1980987), (168, 1320658), (336, 660329)]