251364399

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 417263616

約数和(自身を除く): 165899217

約数列:

[1, 3, 11, 13, 31, 33, 39, 41, 93, 123, 143, 341, 403, 429, 451, 461, 533, 1023, 1209, 1271, 1353, 1383, 1599, 3813, 4433, 5071, 5863, 5993, 13299, 13981, 14291, 15213, 16523, 17589, 17979, 18901, 41943, 42873, 49569, 56703, 65923, 157201, 181753, 185783, 197769, 207911, 245713, 471603, 545259, 557349, 585931, 623733, 737139, 1757793, 2043613, 2702843, 6130839, 6445241, 7617103, 8108529, 19335723, 22851309, 83788133, 251364399]

約数ペア:

[(1, 251364399), (3, 83788133), (11, 22851309), (13, 19335723), (31, 8108529), (33, 7617103), (39, 6445241), (41, 6130839), (93, 2702843), (123, 2043613), (143, 1757793), (341, 737139), (403, 623733), (429, 585931), (451, 557349), (461, 545259), (533, 471603), (1023, 245713), (1209, 207911), (1271, 197769), (1353, 185783), (1383, 181753), (1599, 157201), (3813, 65923), (4433, 56703), (5071, 49569), (5863, 42873), (5993, 41943), (13299, 18901), (13981, 17979), (14291, 17589), (15213, 16523)]