256068618

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{773}}^1$

素因数の和:959

約数の個数: 64

約数和(自身を含む): 574221312

約数和(自身を除く): 318152694

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 137, 186, 274, 403, 411, 773, 806, 822, 1209, 1546, 1781, 2319, 2418, 3562, 4247, 4638, 5343, 8494, 10049, 10686, 12741, 20098, 23963, 25482, 30147, 47926, 55211, 60294, 71889, 105901, 110422, 143778, 165633, 211802, 311519, 317703, 331266, 623038, 635406, 934557, 1376713, 1869114, 2753426, 3282931, 4130139, 6565862, 8260278, 9848793, 19697586, 42678103, 85356206, 128034309, 256068618]

約数ペア:

[(1, 256068618), (2, 128034309), (3, 85356206), (6, 42678103), (13, 19697586), (26, 9848793), (31, 8260278), (39, 6565862), (62, 4130139), (78, 3282931), (93, 2753426), (137, 1869114), (186, 1376713), (274, 934557), (403, 635406), (411, 623038), (773, 331266), (806, 317703), (822, 311519), (1209, 211802), (1546, 165633), (1781, 143778), (2319, 110422), (2418, 105901), (3562, 71889), (4247, 60294), (4638, 55211), (5343, 47926), (8494, 30147), (10049, 25482), (10686, 23963), (12741, 20098)]