31239572

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4517}}^1$

素因数の和:4560

約数の個数: 48

約数和(自身を含む): 70842240

約数和(自身を除く): 39602668

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 4517, 6916, 9034, 18068, 31619, 58721, 63238, 85823, 117442, 126476, 171646, 234884, 343292, 411047, 600761, 822094, 1115699, 1201522, 1644188, 2231398, 2403044, 4462796, 7809893, 15619786, 31239572]

約数ペア:

[(1, 31239572), (2, 15619786), (4, 7809893), (7, 4462796), (13, 2403044), (14, 2231398), (19, 1644188), (26, 1201522), (28, 1115699), (38, 822094), (52, 600761), (76, 411047), (91, 343292), (133, 234884), (182, 171646), (247, 126476), (266, 117442), (364, 85823), (494, 63238), (532, 58721), (988, 31619), (1729, 18068), (3458, 9034), (4517, 6916)]