1981528488

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{247939}}^1$

素因数の和:247991

約数の個数: 64

約数和(自身を含む): 5653032000

約数和(自身を除く): 3671503512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 666, 888, 999, 1332, 1998, 2664, 3996, 7992, 247939, 495878, 743817, 991756, 1487634, 1983512, 2231451, 2975268, 4462902, 5950536, 6694353, 8925804, 9173743, 13388706, 17851608, 18347486, 26777412, 27521229, 36694972, 53554824, 55042458, 73389944, 82563687, 110084916, 165127374, 220169832, 247691061, 330254748, 495382122, 660509496, 990764244, 1981528488]

約数ペア:

[(1, 1981528488), (2, 990764244), (3, 660509496), (4, 495382122), (6, 330254748), (8, 247691061), (9, 220169832), (12, 165127374), (18, 110084916), (24, 82563687), (27, 73389944), (36, 55042458), (37, 53554824), (54, 36694972), (72, 27521229), (74, 26777412), (108, 18347486), (111, 17851608), (148, 13388706), (216, 9173743), (222, 8925804), (296, 6694353), (333, 5950536), (444, 4462902), (666, 2975268), (888, 2231451), (999, 1983512), (1332, 1487634), (1998, 991756), (2664, 743817), (3996, 495878), (7992, 247939)]