211690388

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:613

約数の個数: 72

約数和(自身を含む): 467347104

約数和(自身を除く): 255656716

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 251, 331, 364, 502, 637, 662, 1004, 1274, 1324, 1757, 2317, 2548, 3263, 3514, 4303, 4634, 6526, 7028, 8606, 9268, 12299, 13052, 16219, 17212, 22841, 24598, 30121, 32438, 45682, 49196, 60242, 64876, 83081, 91364, 120484, 159887, 166162, 210847, 319774, 332324, 421694, 581567, 639548, 843388, 1080053, 1163134, 2160106, 2326268, 4070969, 4320212, 7560371, 8141938, 15120742, 16283876, 30241484, 52922597, 105845194, 211690388]

約数ペア:

[(1, 211690388), (2, 105845194), (4, 52922597), (7, 30241484), (13, 16283876), (14, 15120742), (26, 8141938), (28, 7560371), (49, 4320212), (52, 4070969), (91, 2326268), (98, 2160106), (182, 1163134), (196, 1080053), (251, 843388), (331, 639548), (364, 581567), (502, 421694), (637, 332324), (662, 319774), (1004, 210847), (1274, 166162), (1324, 159887), (1757, 120484), (2317, 91364), (2548, 83081), (3263, 64876), (3514, 60242), (4303, 49196), (4634, 45682), (6526, 32438), (7028, 30121), (8606, 24598), (9268, 22841), (12299, 17212), (13052, 16219)]