221831484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{1571}}^1$

素因数の和:1667

約数の個数: 72

約数和(自身を含む): 606716544

約数和(自身を除く): 384885060

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 246, 287, 492, 574, 861, 1148, 1571, 1681, 1722, 3142, 3362, 3444, 4713, 5043, 6284, 6724, 9426, 10086, 10997, 11767, 18852, 20172, 21994, 23534, 32991, 35301, 43988, 47068, 64411, 65982, 70602, 128822, 131964, 141204, 193233, 257644, 386466, 450877, 772932, 901754, 1352631, 1803508, 2640851, 2705262, 5281702, 5410524, 7922553, 10563404, 15845106, 18485957, 31690212, 36971914, 55457871, 73943828, 110915742, 221831484]

約数ペア:

[(1, 221831484), (2, 110915742), (3, 73943828), (4, 55457871), (6, 36971914), (7, 31690212), (12, 18485957), (14, 15845106), (21, 10563404), (28, 7922553), (41, 5410524), (42, 5281702), (82, 2705262), (84, 2640851), (123, 1803508), (164, 1352631), (246, 901754), (287, 772932), (492, 450877), (574, 386466), (861, 257644), (1148, 193233), (1571, 141204), (1681, 131964), (1722, 128822), (3142, 70602), (3362, 65982), (3444, 64411), (4713, 47068), (5043, 43988), (6284, 35301), (6724, 32991), (9426, 23534), (10086, 21994), (10997, 20172), (11767, 18852)]