71384368

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21347}}^1$

素因数の和:21385

約数の個数: 40

約数和(自身を含む): 158829120

約数和(自身を除く): 87444752

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 21347, 42694, 85388, 170776, 234817, 341552, 405593, 469634, 811186, 939268, 1622372, 1878536, 3244744, 3757072, 4461523, 6489488, 8923046, 17846092, 35692184, 71384368]

約数ペア:

[(1, 71384368), (2, 35692184), (4, 17846092), (8, 8923046), (11, 6489488), (16, 4461523), (19, 3757072), (22, 3244744), (38, 1878536), (44, 1622372), (76, 939268), (88, 811186), (152, 469634), (176, 405593), (209, 341552), (304, 234817), (418, 170776), (836, 85388), (1672, 42694), (3344, 21347)]