78881673472

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1419961}}^1$

素因数の和:1420015

約数の個数: 72

約数和(自身を含む): 185753748992

約数和(自身を除く): 106872075520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1736, 1792, 1984, 3472, 3968, 6944, 7936, 13888, 27776, 55552, 1419961, 2839922, 5679844, 9939727, 11359688, 19879454, 22719376, 39758908, 44018791, 45438752, 79517816, 88037582, 90877504, 159035632, 176075164, 181755008, 308131537, 318071264, 352150328, 363510016, 616263074, 636142528, 704300656, 1232526148, 1272285056, 1408601312, 2465052296, 2544570112, 2817202624, 4930104592, 5634405248, 9860209184, 11268810496, 19720418368, 39440836736, 78881673472]

約数ペア:

[(1, 78881673472), (2, 39440836736), (4, 19720418368), (7, 11268810496), (8, 9860209184), (14, 5634405248), (16, 4930104592), (28, 2817202624), (31, 2544570112), (32, 2465052296), (56, 1408601312), (62, 1272285056), (64, 1232526148), (112, 704300656), (124, 636142528), (128, 616263074), (217, 363510016), (224, 352150328), (248, 318071264), (256, 308131537), (434, 181755008), (448, 176075164), (496, 159035632), (868, 90877504), (896, 88037582), (992, 79517816), (1736, 45438752), (1792, 44018791), (1984, 39758908), (3472, 22719376), (3968, 19879454), (6944, 11359688), (7936, 9939727), (13888, 5679844), (27776, 2839922), (55552, 1419961)]