87920144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{22247}}^1$

素因数の和:22287

約数の個数: 40

約数和(自身を含む): 193112640

約数和(自身を除く): 105192496

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 22247, 44494, 88988, 177976, 289211, 355952, 422693, 578422, 845386, 1156844, 1690772, 2313688, 3381544, 4627376, 5495009, 6763088, 10990018, 21980036, 43960072, 87920144]

約数ペア:

[(1, 87920144), (2, 43960072), (4, 21980036), (8, 10990018), (13, 6763088), (16, 5495009), (19, 4627376), (26, 3381544), (38, 2313688), (52, 1690772), (76, 1156844), (104, 845386), (152, 578422), (208, 422693), (247, 355952), (304, 289211), (494, 177976), (988, 88988), (1976, 44494), (3952, 22247)]