638860142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{4253}}^1$

素因数の和:4400

約数の個数: 32

約数和(自身を含む): 1041379200

約数和(自身を除く): 402519058

約数列:

[1, 2, 19, 38, 59, 67, 118, 134, 1121, 1273, 2242, 2546, 3953, 4253, 7906, 8506, 75107, 80807, 150214, 161614, 250927, 284951, 501854, 569902, 4767613, 5414069, 9535226, 10828138, 16812109, 33624218, 319430071, 638860142]

約数ペア:

[(1, 638860142), (2, 319430071), (19, 33624218), (38, 16812109), (59, 10828138), (67, 9535226), (118, 5414069), (134, 4767613), (1121, 569902), (1273, 501854), (2242, 284951), (2546, 250927), (3953, 161614), (4253, 150214), (7906, 80807), (8506, 75107)]