81897728

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 180526080

約数和(自身を除く): 98628352

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 127, 128, 176, 229, 254, 256, 352, 458, 508, 704, 916, 1016, 1397, 1408, 1832, 2032, 2519, 2794, 2816, 3664, 4064, 5038, 5588, 7328, 8128, 10076, 11176, 14656, 16256, 20152, 22352, 29083, 29312, 32512, 40304, 44704, 58166, 58624, 80608, 89408, 116332, 161216, 178816, 232664, 319913, 322432, 357632, 465328, 639826, 644864, 930656, 1279652, 1861312, 2559304, 3722624, 5118608, 7445248, 10237216, 20474432, 40948864, 81897728]

約数ペア:

[(1, 81897728), (2, 40948864), (4, 20474432), (8, 10237216), (11, 7445248), (16, 5118608), (22, 3722624), (32, 2559304), (44, 1861312), (64, 1279652), (88, 930656), (127, 644864), (128, 639826), (176, 465328), (229, 357632), (254, 322432), (256, 319913), (352, 232664), (458, 178816), (508, 161216), (704, 116332), (916, 89408), (1016, 80608), (1397, 58624), (1408, 58166), (1832, 44704), (2032, 40304), (2519, 32512), (2794, 29312), (2816, 29083), (3664, 22352), (4064, 20152), (5038, 16256), (5588, 14656), (7328, 11176), (8128, 10076)]