28688645888

素因数分解:

$2^8\times 7^1\times {\mathrm{83}}^1\times {\mathrm{192883}}^1$

素因数の和:192989

約数の個数: 72

約数和(自身を含む): 66234822528

約数和(自身を除く): 37546176640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 166, 224, 256, 332, 448, 581, 664, 896, 1162, 1328, 1792, 2324, 2656, 4648, 5312, 9296, 10624, 18592, 21248, 37184, 74368, 148736, 192883, 385766, 771532, 1350181, 1543064, 2700362, 3086128, 5400724, 6172256, 10801448, 12344512, 16009289, 21602896, 24689024, 32018578, 43205792, 49378048, 64037156, 86411584, 112065023, 128074312, 172823168, 224130046, 256148624, 345646336, 448260092, 512297248, 896520184, 1024594496, 1793040368, 2049188992, 3586080736, 4098377984, 7172161472, 14344322944, 28688645888]

約数ペア:

[(1, 28688645888), (2, 14344322944), (4, 7172161472), (7, 4098377984), (8, 3586080736), (14, 2049188992), (16, 1793040368), (28, 1024594496), (32, 896520184), (56, 512297248), (64, 448260092), (83, 345646336), (112, 256148624), (128, 224130046), (166, 172823168), (224, 128074312), (256, 112065023), (332, 86411584), (448, 64037156), (581, 49378048), (664, 43205792), (896, 32018578), (1162, 24689024), (1328, 21602896), (1792, 16009289), (2324, 12344512), (2656, 10801448), (4648, 6172256), (5312, 5400724), (9296, 3086128), (10624, 2700362), (18592, 1543064), (21248, 1350181), (37184, 771532), (74368, 385766), (148736, 192883)]