641872112

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{929}}^1$

素因数の和:1174

約数の個数: 80

約数和(自身を含む): 1476096000

約数和(自身を除く): 834223888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 199, 217, 248, 398, 434, 496, 796, 868, 929, 1393, 1592, 1736, 1858, 2786, 3184, 3472, 3716, 5572, 6169, 6503, 7432, 11144, 12338, 13006, 14864, 22288, 24676, 26012, 28799, 43183, 49352, 52024, 57598, 86366, 98704, 104048, 115196, 172732, 184871, 201593, 230392, 345464, 369742, 403186, 460784, 690928, 739484, 806372, 1294097, 1478968, 1612744, 2588194, 2957936, 3225488, 5176388, 5731001, 10352776, 11462002, 20705552, 22924004, 40117007, 45848008, 80234014, 91696016, 160468028, 320936056, 641872112]

約数ペア:

[(1, 641872112), (2, 320936056), (4, 160468028), (7, 91696016), (8, 80234014), (14, 45848008), (16, 40117007), (28, 22924004), (31, 20705552), (56, 11462002), (62, 10352776), (112, 5731001), (124, 5176388), (199, 3225488), (217, 2957936), (248, 2588194), (398, 1612744), (434, 1478968), (496, 1294097), (796, 806372), (868, 739484), (929, 690928), (1393, 460784), (1592, 403186), (1736, 369742), (1858, 345464), (2786, 230392), (3184, 201593), (3472, 184871), (3716, 172732), (5572, 115196), (6169, 104048), (6503, 98704), (7432, 86366), (11144, 57598), (12338, 52024), (13006, 49352), (14864, 43183), (22288, 28799), (24676, 26012)]