161956648

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3217}}^1$

素因数の和:3290

約数の個数: 64

約数和(自身を含む): 370713600

約数和(自身を除く): 208756952

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 56, 58, 62, 116, 124, 203, 217, 232, 248, 406, 434, 812, 868, 899, 1624, 1736, 1798, 3217, 3596, 6293, 6434, 7192, 12586, 12868, 22519, 25172, 25736, 45038, 50344, 90076, 93293, 99727, 180152, 186586, 199454, 373172, 398908, 653051, 698089, 746344, 797816, 1306102, 1396178, 2612204, 2792356, 2892083, 5224408, 5584712, 5784166, 11568332, 20244581, 23136664, 40489162, 80978324, 161956648]

約数ペア:

[(1, 161956648), (2, 80978324), (4, 40489162), (7, 23136664), (8, 20244581), (14, 11568332), (28, 5784166), (29, 5584712), (31, 5224408), (56, 2892083), (58, 2792356), (62, 2612204), (116, 1396178), (124, 1306102), (203, 797816), (217, 746344), (232, 698089), (248, 653051), (406, 398908), (434, 373172), (812, 199454), (868, 186586), (899, 180152), (1624, 99727), (1736, 93293), (1798, 90076), (3217, 50344), (3596, 45038), (6293, 25736), (6434, 25172), (7192, 22519), (12586, 12868)]