221268204

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{599}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 580070400

約数和(自身を除く): 358802196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 331, 372, 558, 599, 662, 993, 1116, 1198, 1324, 1797, 1986, 2396, 2979, 3594, 3972, 5391, 5958, 7188, 10261, 10782, 11916, 18569, 20522, 21564, 30783, 37138, 41044, 55707, 61566, 74276, 92349, 111414, 123132, 167121, 184698, 198269, 222828, 334242, 369396, 396538, 594807, 668484, 793076, 1189614, 1784421, 2379228, 3568842, 6146339, 7137684, 12292678, 18439017, 24585356, 36878034, 55317051, 73756068, 110634102, 221268204]

約数ペア:

[(1, 221268204), (2, 110634102), (3, 73756068), (4, 55317051), (6, 36878034), (9, 24585356), (12, 18439017), (18, 12292678), (31, 7137684), (36, 6146339), (62, 3568842), (93, 2379228), (124, 1784421), (186, 1189614), (279, 793076), (331, 668484), (372, 594807), (558, 396538), (599, 369396), (662, 334242), (993, 222828), (1116, 198269), (1198, 184698), (1324, 167121), (1797, 123132), (1986, 111414), (2396, 92349), (2979, 74276), (3594, 61566), (3972, 55707), (5391, 41044), (5958, 37138), (7188, 30783), (10261, 21564), (10782, 20522), (11916, 18569)]