71821672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1913}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 153139140

約数和(自身を除く): 81317468

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 361, 494, 722, 988, 1444, 1913, 1976, 2888, 3826, 4693, 7652, 9386, 15304, 18772, 24869, 36347, 37544, 49738, 72694, 99476, 145388, 198952, 290776, 472511, 690593, 945022, 1381186, 1890044, 2762372, 3780088, 5524744, 8977709, 17955418, 35910836, 71821672]

約数ペア:

[(1, 71821672), (2, 35910836), (4, 17955418), (8, 8977709), (13, 5524744), (19, 3780088), (26, 2762372), (38, 1890044), (52, 1381186), (76, 945022), (104, 690593), (152, 472511), (247, 290776), (361, 198952), (494, 145388), (722, 99476), (988, 72694), (1444, 49738), (1913, 37544), (1976, 36347), (2888, 24869), (3826, 18772), (4693, 15304), (7652, 9386)]