199745648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{23689}}^1$

素因数の和:23745

約数の個数: 40

約数和(自身を含む): 423008640

約数和(自身を除く): 223262992

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 8432, 23689, 47378, 94756, 189512, 379024, 402713, 734359, 805426, 1468718, 1610852, 2937436, 3221704, 5874872, 6443408, 11749744, 12484103, 24968206, 49936412, 99872824, 199745648]

約数ペア:

[(1, 199745648), (2, 99872824), (4, 49936412), (8, 24968206), (16, 12484103), (17, 11749744), (31, 6443408), (34, 5874872), (62, 3221704), (68, 2937436), (124, 1610852), (136, 1468718), (248, 805426), (272, 734359), (496, 402713), (527, 379024), (1054, 189512), (2108, 94756), (4216, 47378), (8432, 23689)]