81521384

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{379}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 183859200

約数和(自身を除く): 102337816

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 167, 184, 322, 334, 379, 644, 668, 758, 1169, 1288, 1336, 1516, 2338, 2653, 3032, 3841, 4676, 5306, 7682, 8717, 9352, 10612, 15364, 17434, 21224, 26887, 30728, 34868, 53774, 61019, 63293, 69736, 107548, 122038, 126586, 215096, 244076, 253172, 443051, 488152, 506344, 886102, 1455739, 1772204, 2911478, 3544408, 5822956, 10190173, 11645912, 20380346, 40760692, 81521384]

約数ペア:

[(1, 81521384), (2, 40760692), (4, 20380346), (7, 11645912), (8, 10190173), (14, 5822956), (23, 3544408), (28, 2911478), (46, 1772204), (56, 1455739), (92, 886102), (161, 506344), (167, 488152), (184, 443051), (322, 253172), (334, 244076), (379, 215096), (644, 126586), (668, 122038), (758, 107548), (1169, 69736), (1288, 63293), (1336, 61019), (1516, 53774), (2338, 34868), (2653, 30728), (3032, 26887), (3841, 21224), (4676, 17434), (5306, 15364), (7682, 10612), (8717, 9352)]