209576844

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 540540000

約数和(自身を除く): 330963156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 149, 178, 267, 298, 356, 439, 447, 534, 596, 801, 878, 894, 1068, 1317, 1341, 1602, 1756, 1788, 2634, 2682, 3204, 3951, 5268, 5364, 7902, 13261, 15804, 26522, 39071, 39783, 53044, 65411, 78142, 79566, 117213, 119349, 130822, 156284, 159132, 196233, 234426, 238698, 261644, 351639, 392466, 468852, 477396, 588699, 703278, 784932, 1177398, 1406556, 2354796, 5821579, 11643158, 17464737, 23286316, 34929474, 52394211, 69858948, 104788422, 209576844]

約数ペア:

[(1, 209576844), (2, 104788422), (3, 69858948), (4, 52394211), (6, 34929474), (9, 23286316), (12, 17464737), (18, 11643158), (36, 5821579), (89, 2354796), (149, 1406556), (178, 1177398), (267, 784932), (298, 703278), (356, 588699), (439, 477396), (447, 468852), (534, 392466), (596, 351639), (801, 261644), (878, 238698), (894, 234426), (1068, 196233), (1317, 159132), (1341, 156284), (1602, 130822), (1756, 119349), (1788, 117213), (2634, 79566), (2682, 78142), (3204, 65411), (3951, 53044), (5268, 39783), (5364, 39071), (7902, 26522), (13261, 15804)]