1878481921

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 2069157888

約数和(自身を除く): 190675967

約数列:

[1, 23, 31, 97, 157, 173, 713, 2231, 3007, 3611, 3979, 4867, 5363, 15229, 16781, 27161, 69161, 111941, 123349, 350267, 385963, 472099, 520211, 624703, 841991, 2634617, 10858277, 11964853, 19365793, 60596191, 81673127, 1878481921]

約数ペア:

[(1, 1878481921), (23, 81673127), (31, 60596191), (97, 19365793), (157, 11964853), (173, 10858277), (713, 2634617), (2231, 841991), (3007, 624703), (3611, 520211), (3979, 472099), (4867, 385963), (5363, 350267), (15229, 123349), (16781, 111941), (27161, 69161)]