81786944

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{653}}^1$

素因数の和:787

約数の個数: 56

約数和(自身を含む): 172760640

約数和(自身を除く): 90973696

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 103, 152, 206, 304, 412, 608, 653, 824, 1216, 1306, 1648, 1957, 2612, 3296, 3914, 5224, 6592, 7828, 10448, 12407, 15656, 20896, 24814, 31312, 41792, 49628, 62624, 67259, 99256, 125248, 134518, 198512, 269036, 397024, 538072, 794048, 1076144, 1277921, 2152288, 2555842, 4304576, 5111684, 10223368, 20446736, 40893472, 81786944]

約数ペア:

[(1, 81786944), (2, 40893472), (4, 20446736), (8, 10223368), (16, 5111684), (19, 4304576), (32, 2555842), (38, 2152288), (64, 1277921), (76, 1076144), (103, 794048), (152, 538072), (206, 397024), (304, 269036), (412, 198512), (608, 134518), (653, 125248), (824, 99256), (1216, 67259), (1306, 62624), (1648, 49628), (1957, 41792), (2612, 31312), (3296, 24814), (3914, 20896), (5224, 15656), (6592, 12407), (7828, 10448)]