813695216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{37699}}^1$

素因数の和:37797

約数の個数: 40

約数和(自身を含む): 1682928000

約数和(自身を除く): 869232784

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 1136, 1349, 2698, 5396, 10792, 21584, 37699, 75398, 150796, 301592, 603184, 716281, 1432562, 2676629, 2865124, 5353258, 5730248, 10706516, 11460496, 21413032, 42826064, 50855951, 101711902, 203423804, 406847608, 813695216]

約数ペア:

[(1, 813695216), (2, 406847608), (4, 203423804), (8, 101711902), (16, 50855951), (19, 42826064), (38, 21413032), (71, 11460496), (76, 10706516), (142, 5730248), (152, 5353258), (284, 2865124), (304, 2676629), (568, 1432562), (1136, 716281), (1349, 603184), (2698, 301592), (5396, 150796), (10792, 75398), (21584, 37699)]