221888222205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3257}}^1\times {\mathrm{20551}}^1$

素因数の和:23846

約数の個数: 64

約数和(自身を含む): 404964499968

約数和(自身を除く): 183076277763

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3257, 3315, 9771, 16285, 20551, 42341, 48855, 55369, 61653, 102755, 127023, 166107, 211705, 267163, 276845, 308265, 349367, 635115, 719797, 801489, 830535, 1048101, 1335815, 1746835, 2159391, 3598985, 4007445, 4541771, 5240505, 10796955, 13625313, 22708855, 66934607, 68126565, 200803821, 334673035, 870149891, 1004019105, 1137888319, 2610449673, 3413664957, 4350749455, 5689441595, 13052248365, 14792548147, 17068324785, 44377644441, 73962740735, 221888222205]

約数ペア:

[(1, 221888222205), (3, 73962740735), (5, 44377644441), (13, 17068324785), (15, 14792548147), (17, 13052248365), (39, 5689441595), (51, 4350749455), (65, 3413664957), (85, 2610449673), (195, 1137888319), (221, 1004019105), (255, 870149891), (663, 334673035), (1105, 200803821), (3257, 68126565), (3315, 66934607), (9771, 22708855), (16285, 13625313), (20551, 10796955), (42341, 5240505), (48855, 4541771), (55369, 4007445), (61653, 3598985), (102755, 2159391), (127023, 1746835), (166107, 1335815), (211705, 1048101), (267163, 830535), (276845, 801489), (308265, 719797), (349367, 635115)]