328454748

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{1109}}^1$

素因数の和:1571

約数の個数: 72

約数和(自身を含む): 876766800

約数和(自身を除く): 548312052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 433, 684, 866, 1109, 1299, 1732, 2218, 2598, 3327, 3897, 4436, 5196, 6654, 7794, 8227, 9981, 13308, 15588, 16454, 19962, 21071, 24681, 32908, 39924, 42142, 49362, 63213, 74043, 84284, 98724, 126426, 148086, 189639, 252852, 296172, 379278, 480197, 758556, 960394, 1440591, 1920788, 2881182, 4321773, 5762364, 8643546, 9123743, 17287092, 18247486, 27371229, 36494972, 54742458, 82113687, 109484916, 164227374, 328454748]

約数ペア:

[(1, 328454748), (2, 164227374), (3, 109484916), (4, 82113687), (6, 54742458), (9, 36494972), (12, 27371229), (18, 18247486), (19, 17287092), (36, 9123743), (38, 8643546), (57, 5762364), (76, 4321773), (114, 2881182), (171, 1920788), (228, 1440591), (342, 960394), (433, 758556), (684, 480197), (866, 379278), (1109, 296172), (1299, 252852), (1732, 189639), (2218, 148086), (2598, 126426), (3327, 98724), (3897, 84284), (4436, 74043), (5196, 63213), (6654, 49362), (7794, 42142), (8227, 39924), (9981, 32908), (13308, 24681), (15588, 21071), (16454, 19962)]