161545216

素因数分解:

$2^{10}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:785

約数の個数: 88

約数和(自身を含む): 381495296

約数和(自身を除く): 219950080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 727, 868, 896, 992, 1024, 1454, 1736, 1792, 1984, 2908, 3472, 3584, 3968, 5089, 5816, 6944, 7168, 7936, 10178, 11632, 13888, 15872, 20356, 22537, 23264, 27776, 31744, 40712, 45074, 46528, 55552, 81424, 90148, 93056, 111104, 157759, 162848, 180296, 186112, 222208, 315518, 325696, 360592, 372224, 631036, 651392, 721184, 744448, 1262072, 1302784, 1442368, 2524144, 2605568, 2884736, 5048288, 5211136, 5769472, 10096576, 11538944, 20193152, 23077888, 40386304, 80772608, 161545216]

約数ペア:

[(1, 161545216), (2, 80772608), (4, 40386304), (7, 23077888), (8, 20193152), (14, 11538944), (16, 10096576), (28, 5769472), (31, 5211136), (32, 5048288), (56, 2884736), (62, 2605568), (64, 2524144), (112, 1442368), (124, 1302784), (128, 1262072), (217, 744448), (224, 721184), (248, 651392), (256, 631036), (434, 372224), (448, 360592), (496, 325696), (512, 315518), (727, 222208), (868, 186112), (896, 180296), (992, 162848), (1024, 157759), (1454, 111104), (1736, 93056), (1792, 90148), (1984, 81424), (2908, 55552), (3472, 46528), (3584, 45074), (3968, 40712), (5089, 31744), (5816, 27776), (6944, 23264), (7168, 22537), (7936, 20356), (10178, 15872), (11632, 13888)]