388638692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{12689}}^1$

素因数の和:12756

約数の個数: 48

約数和(自身を含む): 795916800

約数和(自身を除く): 407278108

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 806, 988, 1178, 1612, 2356, 7657, 12689, 15314, 25378, 30628, 50756, 164957, 241091, 329914, 393359, 482182, 659828, 786718, 964364, 1573436, 3134183, 5113667, 6268366, 7473821, 10227334, 12536732, 14947642, 20454668, 29895284, 97159673, 194319346, 388638692]

約数ペア:

[(1, 388638692), (2, 194319346), (4, 97159673), (13, 29895284), (19, 20454668), (26, 14947642), (31, 12536732), (38, 10227334), (52, 7473821), (62, 6268366), (76, 5113667), (124, 3134183), (247, 1573436), (403, 964364), (494, 786718), (589, 659828), (806, 482182), (988, 393359), (1178, 329914), (1612, 241091), (2356, 164957), (7657, 50756), (12689, 30628), (15314, 25378)]