71389878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:821

約数の個数: 64

約数和(自身を含む): 173283840

約数和(自身を除く): 101893962

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 137, 266, 274, 399, 411, 653, 798, 822, 959, 1306, 1918, 1959, 2603, 2877, 3918, 4571, 5206, 5754, 7809, 9142, 12407, 13713, 15618, 18221, 24814, 27426, 36442, 37221, 54663, 74442, 86849, 89461, 109326, 173698, 178922, 260547, 268383, 521094, 536766, 626227, 1252454, 1699759, 1878681, 3399518, 3757362, 5099277, 10198554, 11898313, 23796626, 35694939, 71389878]

約数ペア:

[(1, 71389878), (2, 35694939), (3, 23796626), (6, 11898313), (7, 10198554), (14, 5099277), (19, 3757362), (21, 3399518), (38, 1878681), (42, 1699759), (57, 1252454), (114, 626227), (133, 536766), (137, 521094), (266, 268383), (274, 260547), (399, 178922), (411, 173698), (653, 109326), (798, 89461), (822, 86849), (959, 74442), (1306, 54663), (1918, 37221), (1959, 36442), (2603, 27426), (2877, 24814), (3918, 18221), (4571, 15618), (5206, 13713), (5754, 12407), (7809, 9142)]