291225641744

素因数分解:

$2^4\times {\mathrm{461}}^1\times {\mathrm{2269}}^1\times {\mathrm{17401}}^1$

素因数の和:20139

約数の個数: 40

約数和(自身を含む): 565755377880

約数和(自身を除く): 274529736136

約数列:

[1, 2, 4, 8, 16, 461, 922, 1844, 2269, 3688, 4538, 7376, 9076, 17401, 18152, 34802, 36304, 69604, 139208, 278416, 1046009, 2092018, 4184036, 8021861, 8368072, 16043722, 16736144, 32087444, 39482869, 64174888, 78965738, 128349776, 157931476, 315862952, 631725904, 18201602609, 36403205218, 72806410436, 145612820872, 291225641744]

約数ペア:

[(1, 291225641744), (2, 145612820872), (4, 72806410436), (8, 36403205218), (16, 18201602609), (461, 631725904), (922, 315862952), (1844, 157931476), (2269, 128349776), (3688, 78965738), (4538, 64174888), (7376, 39482869), (9076, 32087444), (17401, 16736144), (18152, 16043722), (34802, 8368072), (36304, 8021861), (69604, 4184036), (139208, 2092018), (278416, 1046009)]