81632512

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1339

約数の個数: 72

約数和(自身を含む): 184859360

約数和(自身を除く): 103226848

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 608, 832, 988, 1216, 1291, 1664, 1976, 2432, 2582, 3328, 3952, 4864, 5164, 7904, 10328, 15808, 16783, 20656, 24529, 31616, 33566, 41312, 49058, 63232, 67132, 82624, 98116, 134264, 165248, 196232, 268528, 318877, 330496, 392464, 537056, 637754, 784928, 1074112, 1275508, 1569856, 2148224, 2551016, 3139712, 4296448, 5102032, 6279424, 10204064, 20408128, 40816256, 81632512]

約数ペア:

[(1, 81632512), (2, 40816256), (4, 20408128), (8, 10204064), (13, 6279424), (16, 5102032), (19, 4296448), (26, 3139712), (32, 2551016), (38, 2148224), (52, 1569856), (64, 1275508), (76, 1074112), (104, 784928), (128, 637754), (152, 537056), (208, 392464), (247, 330496), (256, 318877), (304, 268528), (416, 196232), (494, 165248), (608, 134264), (832, 98116), (988, 82624), (1216, 67132), (1291, 63232), (1664, 49058), (1976, 41312), (2432, 33566), (2582, 31616), (3328, 24529), (3952, 20656), (4864, 16783), (5164, 15808), (7904, 10328)]