39978158

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^2$

素因数の和:201

約数の個数: 36

約数和(自身を含む): 68985504

約数和(自身を除く): 29007346

約数列:

[1, 2, 11, 22, 31, 62, 73, 121, 146, 242, 341, 682, 803, 1606, 2263, 3751, 4526, 5329, 7502, 8833, 10658, 17666, 24893, 49786, 58619, 117238, 165199, 273823, 330398, 547646, 644809, 1289618, 1817189, 3634378, 19989079, 39978158]

約数ペア:

[(1, 39978158), (2, 19989079), (11, 3634378), (22, 1817189), (31, 1289618), (62, 644809), (73, 547646), (121, 330398), (146, 273823), (242, 165199), (341, 117238), (682, 58619), (803, 49786), (1606, 24893), (2263, 17666), (3751, 10658), (4526, 8833), (5329, 7502)]