1581821872

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{443}}^1$

素因数の和:818

約数の個数: 80

約数和(自身を含む): 3319216128

約数和(自身を除く): 1737394256

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 313, 368, 443, 496, 626, 713, 886, 1252, 1426, 1772, 2504, 2852, 3544, 5008, 5704, 7088, 7199, 9703, 10189, 11408, 13733, 14398, 19406, 20378, 27466, 28796, 38812, 40756, 54932, 57592, 77624, 81512, 109864, 115184, 138659, 155248, 163024, 219728, 223169, 277318, 315859, 446338, 554636, 631718, 892676, 1109272, 1263436, 1785352, 2218544, 2526872, 3189157, 3570704, 4298429, 5053744, 6378314, 8596858, 12756628, 17193716, 25513256, 34387432, 51026512, 68774864, 98863867, 197727734, 395455468, 790910936, 1581821872]

約数ペア:

[(1, 1581821872), (2, 790910936), (4, 395455468), (8, 197727734), (16, 98863867), (23, 68774864), (31, 51026512), (46, 34387432), (62, 25513256), (92, 17193716), (124, 12756628), (184, 8596858), (248, 6378314), (313, 5053744), (368, 4298429), (443, 3570704), (496, 3189157), (626, 2526872), (713, 2218544), (886, 1785352), (1252, 1263436), (1426, 1109272), (1772, 892676), (2504, 631718), (2852, 554636), (3544, 446338), (5008, 315859), (5704, 277318), (7088, 223169), (7199, 219728), (9703, 163024), (10189, 155248), (11408, 138659), (13733, 115184), (14398, 109864), (19406, 81512), (20378, 77624), (27466, 57592), (28796, 54932), (38812, 40756)]