161219344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2273}}^1$

素因数の和:2336

約数の個数: 80

約数和(自身を含む): 378975744

約数和(自身を除く): 217756400

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 176, 208, 248, 286, 341, 403, 496, 572, 682, 806, 1144, 1364, 1612, 2273, 2288, 2728, 3224, 4433, 4546, 5456, 6448, 8866, 9092, 17732, 18184, 25003, 29549, 35464, 36368, 50006, 59098, 70463, 70928, 100012, 118196, 140926, 200024, 236392, 281852, 325039, 400048, 472784, 563704, 650078, 775093, 916019, 1127408, 1300156, 1550186, 1832038, 2600312, 3100372, 3664076, 5200624, 6200744, 7328152, 10076209, 12401488, 14656304, 20152418, 40304836, 80609672, 161219344]

約数ペア:

[(1, 161219344), (2, 80609672), (4, 40304836), (8, 20152418), (11, 14656304), (13, 12401488), (16, 10076209), (22, 7328152), (26, 6200744), (31, 5200624), (44, 3664076), (52, 3100372), (62, 2600312), (88, 1832038), (104, 1550186), (124, 1300156), (143, 1127408), (176, 916019), (208, 775093), (248, 650078), (286, 563704), (341, 472784), (403, 400048), (496, 325039), (572, 281852), (682, 236392), (806, 200024), (1144, 140926), (1364, 118196), (1612, 100012), (2273, 70928), (2288, 70463), (2728, 59098), (3224, 50006), (4433, 36368), (4546, 35464), (5456, 29549), (6448, 25003), (8866, 18184), (9092, 17732)]