16219004921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^2$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 20751531264

約数和(自身を除く): 4532526343

約数列:

[1, 7, 17, 23, 113, 119, 161, 229, 391, 791, 1603, 1921, 2599, 2737, 3893, 5267, 13447, 18193, 25877, 27251, 36869, 44183, 52441, 89539, 181139, 309281, 367087, 439909, 595171, 626773, 891497, 1206143, 3079363, 4166197, 5925833, 6240479, 8443001, 10117907, 20504431, 41480831, 70825349, 100739161, 136294159, 143531017, 705174127, 954059113, 2317000703, 16219004921]

約数ペア:

[(1, 16219004921), (7, 2317000703), (17, 954059113), (23, 705174127), (113, 143531017), (119, 136294159), (161, 100739161), (229, 70825349), (391, 41480831), (791, 20504431), (1603, 10117907), (1921, 8443001), (2599, 6240479), (2737, 5925833), (3893, 4166197), (5267, 3079363), (13447, 1206143), (18193, 891497), (25877, 626773), (27251, 595171), (36869, 439909), (44183, 367087), (52441, 309281), (89539, 181139)]