1951458990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{161411}}^1$

素因数の和:161465

約数の個数: 64

約数和(自身を含む): 5206505472

約数和(自身を除く): 3255046482

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 12090, 161411, 322822, 484233, 807055, 968466, 1614110, 2098343, 2421165, 4196686, 4842330, 5003741, 6295029, 10007482, 10491715, 12590058, 15011223, 20983430, 25018705, 30022446, 31475145, 50037410, 62950290, 65048633, 75056115, 130097266, 150112230, 195145899, 325243165, 390291798, 650486330, 975729495, 1951458990]

約数ペア:

[(1, 1951458990), (2, 975729495), (3, 650486330), (5, 390291798), (6, 325243165), (10, 195145899), (13, 150112230), (15, 130097266), (26, 75056115), (30, 65048633), (31, 62950290), (39, 50037410), (62, 31475145), (65, 30022446), (78, 25018705), (93, 20983430), (130, 15011223), (155, 12590058), (186, 10491715), (195, 10007482), (310, 6295029), (390, 5003741), (403, 4842330), (465, 4196686), (806, 2421165), (930, 2098343), (1209, 1614110), (2015, 968466), (2418, 807055), (4030, 484233), (6045, 322822), (12090, 161411)]