212437225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{653}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 356173632

約数和(自身を除く): 143736407

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 169, 175, 275, 325, 385, 455, 653, 715, 845, 1001, 1183, 1859, 1925, 2275, 3265, 3575, 4225, 4571, 5005, 5915, 7183, 8489, 9295, 13013, 16325, 22855, 25025, 29575, 35915, 42445, 46475, 50281, 59423, 65065, 93379, 110357, 114275, 179575, 212225, 251405, 297115, 325325, 466895, 551785, 653653, 772499, 1213927, 1257025, 1485575, 2334475, 2758925, 3268265, 3862495, 6069635, 8497489, 16341325, 19312475, 30348175, 42487445, 212437225]

約数ペア:

[(1, 212437225), (5, 42487445), (7, 30348175), (11, 19312475), (13, 16341325), (25, 8497489), (35, 6069635), (55, 3862495), (65, 3268265), (77, 2758925), (91, 2334475), (143, 1485575), (169, 1257025), (175, 1213927), (275, 772499), (325, 653653), (385, 551785), (455, 466895), (653, 325325), (715, 297115), (845, 251405), (1001, 212225), (1183, 179575), (1859, 114275), (1925, 110357), (2275, 93379), (3265, 65065), (3575, 59423), (4225, 50281), (4571, 46475), (5005, 42445), (5915, 35915), (7183, 29575), (8489, 25025), (9295, 22855), (13013, 16325)]