1891222333

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 2607962112

約数和(自身を除く): 716739779

約数列:

[1, 7, 11, 13, 67, 77, 91, 143, 163, 173, 469, 737, 871, 1001, 1141, 1211, 1793, 1903, 2119, 2249, 5159, 6097, 9581, 10921, 11591, 12551, 13321, 14833, 15743, 23309, 24739, 28199, 67067, 76447, 81137, 120131, 127501, 141973, 150683, 163163, 173173, 197393, 310189, 366587, 840917, 892507, 993811, 1054781, 1561703, 1657513, 1889333, 2171323, 2566109, 4032457, 10931921, 11602591, 13225331, 20782663, 24561329, 28227199, 145478641, 171929303, 270174619, 1891222333]

約数ペア:

[(1, 1891222333), (7, 270174619), (11, 171929303), (13, 145478641), (67, 28227199), (77, 24561329), (91, 20782663), (143, 13225331), (163, 11602591), (173, 10931921), (469, 4032457), (737, 2566109), (871, 2171323), (1001, 1889333), (1141, 1657513), (1211, 1561703), (1793, 1054781), (1903, 993811), (2119, 892507), (2249, 840917), (5159, 366587), (6097, 310189), (9581, 197393), (10921, 173173), (11591, 163163), (12551, 150683), (13321, 141973), (14833, 127501), (15743, 120131), (23309, 81137), (24739, 76447), (28199, 67067)]