161821504

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{673}}^1$

素因数の和:732

約数の個数: 84

約数和(自身を含む): 367900204

約数和(自身を除く): 206078700

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 289, 416, 442, 544, 578, 673, 832, 884, 1088, 1156, 1346, 1768, 2312, 2692, 3536, 3757, 4624, 5384, 7072, 7514, 8749, 9248, 10768, 11441, 14144, 15028, 17498, 18496, 21536, 22882, 30056, 34996, 43072, 45764, 60112, 69992, 91528, 120224, 139984, 148733, 183056, 194497, 240448, 279968, 297466, 366112, 388994, 559936, 594932, 732224, 777988, 1189864, 1555976, 2379728, 2528461, 3111952, 4759456, 5056922, 6223904, 9518912, 10113844, 12447808, 20227688, 40455376, 80910752, 161821504]

約数ペア:

[(1, 161821504), (2, 80910752), (4, 40455376), (8, 20227688), (13, 12447808), (16, 10113844), (17, 9518912), (26, 6223904), (32, 5056922), (34, 4759456), (52, 3111952), (64, 2528461), (68, 2379728), (104, 1555976), (136, 1189864), (208, 777988), (221, 732224), (272, 594932), (289, 559936), (416, 388994), (442, 366112), (544, 297466), (578, 279968), (673, 240448), (832, 194497), (884, 183056), (1088, 148733), (1156, 139984), (1346, 120224), (1768, 91528), (2312, 69992), (2692, 60112), (3536, 45764), (3757, 43072), (4624, 34996), (5384, 30056), (7072, 22882), (7514, 21536), (8749, 18496), (9248, 17498), (10768, 15028), (11441, 14144)]