28778823525

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{1783}}^1$

素因数の和:2047

約数の個数: 96

約数和(自身を含む): 50729253120

約数和(自身を除く): 21950429595

約数列:

[1, 3, 5, 15, 25, 29, 41, 75, 87, 123, 145, 181, 205, 435, 543, 615, 725, 905, 1025, 1189, 1783, 2175, 2715, 3075, 3567, 4525, 5249, 5349, 5945, 7421, 8915, 13575, 15747, 17835, 22263, 26245, 26745, 29725, 37105, 44575, 51707, 73103, 78735, 89175, 111315, 131225, 133725, 155121, 185525, 215209, 219309, 258535, 322723, 365515, 393675, 556575, 645627, 775605, 968169, 1076045, 1096545, 1292675, 1613615, 1827575, 2119987, 3228135, 3878025, 4840845, 5380225, 5482725, 6359961, 8068075, 9358967, 10599935, 13231643, 16140675, 24204225, 28076901, 31799805, 39694929, 46794835, 52999675, 66158215, 140384505, 158999025, 198474645, 233974175, 330791075, 383717647, 701922525, 992373225, 1151152941, 1918588235, 5755764705, 9592941175, 28778823525]

約数ペア:

[(1, 28778823525), (3, 9592941175), (5, 5755764705), (15, 1918588235), (25, 1151152941), (29, 992373225), (41, 701922525), (75, 383717647), (87, 330791075), (123, 233974175), (145, 198474645), (181, 158999025), (205, 140384505), (435, 66158215), (543, 52999675), (615, 46794835), (725, 39694929), (905, 31799805), (1025, 28076901), (1189, 24204225), (1783, 16140675), (2175, 13231643), (2715, 10599935), (3075, 9358967), (3567, 8068075), (4525, 6359961), (5249, 5482725), (5349, 5380225), (5945, 4840845), (7421, 3878025), (8915, 3228135), (13575, 2119987), (15747, 1827575), (17835, 1613615), (22263, 1292675), (26245, 1096545), (26745, 1076045), (29725, 968169), (37105, 775605), (44575, 645627), (51707, 556575), (73103, 393675), (78735, 365515), (89175, 322723), (111315, 258535), (131225, 219309), (133725, 215209), (155121, 185525)]