256643172

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4339}}^1$

素因数の和:4433

約数の個数: 72

約数和(自身を含む): 682456320

約数和(自身を除く): 425813148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 53, 62, 93, 106, 124, 159, 186, 212, 279, 318, 372, 477, 558, 636, 954, 1116, 1643, 1908, 3286, 4339, 4929, 6572, 8678, 9858, 13017, 14787, 17356, 19716, 26034, 29574, 39051, 52068, 59148, 78102, 134509, 156204, 229967, 269018, 403527, 459934, 538036, 689901, 807054, 919868, 1210581, 1379802, 1614108, 2069703, 2421162, 2759604, 4139406, 4842324, 7128977, 8278812, 14257954, 21386931, 28515908, 42773862, 64160793, 85547724, 128321586, 256643172]

約数ペア:

[(1, 256643172), (2, 128321586), (3, 85547724), (4, 64160793), (6, 42773862), (9, 28515908), (12, 21386931), (18, 14257954), (31, 8278812), (36, 7128977), (53, 4842324), (62, 4139406), (93, 2759604), (106, 2421162), (124, 2069703), (159, 1614108), (186, 1379802), (212, 1210581), (279, 919868), (318, 807054), (372, 689901), (477, 538036), (558, 459934), (636, 403527), (954, 269018), (1116, 229967), (1643, 156204), (1908, 134509), (3286, 78102), (4339, 59148), (4929, 52068), (6572, 39051), (8678, 29574), (9858, 26034), (13017, 19716), (14787, 17356)]