77643830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{3547}}^1$

素因数の和:3764

約数の個数: 32

約数和(自身を含む): 153273600

約数和(自身を除く): 75629770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 3547, 4378, 7094, 10945, 17735, 21890, 35470, 39017, 78034, 195085, 390170, 705853, 1411706, 3529265, 7058530, 7764383, 15528766, 38821915, 77643830]

約数ペア:

[(1, 77643830), (2, 38821915), (5, 15528766), (10, 7764383), (11, 7058530), (22, 3529265), (55, 1411706), (110, 705853), (199, 390170), (398, 195085), (995, 78034), (1990, 39017), (2189, 35470), (3547, 21890), (4378, 17735), (7094, 10945)]