38815007

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 53581824

約数和(自身を除く): 14766817

約数列:

[1, 7, 11, 23, 31, 49, 77, 101, 161, 217, 253, 341, 539, 707, 713, 1111, 1127, 1519, 1771, 2323, 2387, 3131, 4949, 4991, 7777, 7843, 12397, 16261, 16709, 21917, 25553, 34441, 34937, 54439, 54901, 72013, 113827, 153419, 178871, 241087, 384307, 504091, 792143, 1252097, 1687609, 3528637, 5545001, 38815007]

約数ペア:

[(1, 38815007), (7, 5545001), (11, 3528637), (23, 1687609), (31, 1252097), (49, 792143), (77, 504091), (101, 384307), (161, 241087), (217, 178871), (253, 153419), (341, 113827), (539, 72013), (707, 54901), (713, 54439), (1111, 34937), (1127, 34441), (1519, 25553), (1771, 21917), (2323, 16709), (2387, 16261), (3131, 12397), (4949, 7843), (4991, 7777)]