81638704

素因数分解:

$2^4\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1031}}^1$

素因数の和:1154

約数の個数: 60

約数和(自身を含む): 186001488

約数和(自身を除く): 104362784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 101, 112, 196, 202, 392, 404, 707, 784, 808, 1031, 1414, 1616, 2062, 2828, 4124, 4949, 5656, 7217, 8248, 9898, 11312, 14434, 16496, 19796, 28868, 39592, 50519, 57736, 79184, 101038, 104131, 115472, 202076, 208262, 404152, 416524, 728917, 808304, 833048, 1457834, 1666096, 2915668, 5102419, 5831336, 10204838, 11662672, 20409676, 40819352, 81638704]

約数ペア:

[(1, 81638704), (2, 40819352), (4, 20409676), (7, 11662672), (8, 10204838), (14, 5831336), (16, 5102419), (28, 2915668), (49, 1666096), (56, 1457834), (98, 833048), (101, 808304), (112, 728917), (196, 416524), (202, 404152), (392, 208262), (404, 202076), (707, 115472), (784, 104131), (808, 101038), (1031, 79184), (1414, 57736), (1616, 50519), (2062, 39592), (2828, 28868), (4124, 19796), (4949, 16496), (5656, 14434), (7217, 11312), (8248, 9898)]