64647538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 104832000

約数和(自身を除く): 40184462

約数列:

[1, 2, 19, 38, 83, 103, 166, 199, 206, 398, 1577, 1957, 3154, 3781, 3914, 7562, 8549, 16517, 17098, 20497, 33034, 40994, 162431, 313823, 324862, 389443, 627646, 778886, 1701251, 3402502, 32323769, 64647538]

約数ペア:

[(1, 64647538), (2, 32323769), (19, 3402502), (38, 1701251), (83, 778886), (103, 627646), (166, 389443), (199, 324862), (206, 313823), (398, 162431), (1577, 40994), (1957, 33034), (3154, 20497), (3781, 17098), (3914, 16517), (7562, 8549)]