15972019973

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{125101}}^1$

素因数の和:125205

約数の個数: 32

約数和(自身を含む): 20848998912

約数和(自身を除く): 4876978939

約数列:

[1, 7, 13, 23, 61, 91, 161, 299, 427, 793, 1403, 2093, 5551, 9821, 18239, 125101, 127673, 875707, 1626313, 2877323, 7631161, 11384191, 20141261, 37405199, 53418127, 99205093, 175516703, 261836393, 694435651, 1228616921, 2281717139, 15972019973]

約数ペア:

[(1, 15972019973), (7, 2281717139), (13, 1228616921), (23, 694435651), (61, 261836393), (91, 175516703), (161, 99205093), (299, 53418127), (427, 37405199), (793, 20141261), (1403, 11384191), (2093, 7631161), (5551, 2877323), (9821, 1626313), (18239, 875707), (125101, 127673)]