31419978

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 70917120

約数和(自身を除く): 39497142

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 59, 69, 102, 118, 138, 177, 227, 354, 391, 454, 681, 782, 1003, 1173, 1357, 1362, 2006, 2346, 2714, 3009, 3859, 4071, 5221, 6018, 7718, 8142, 10442, 11577, 13393, 15663, 23069, 23154, 26786, 31326, 40179, 46138, 69207, 80358, 88757, 138414, 177514, 227681, 266271, 308039, 455362, 532542, 616078, 683043, 924117, 1366086, 1848234, 5236663, 10473326, 15709989, 31419978]

約数ペア:

[(1, 31419978), (2, 15709989), (3, 10473326), (6, 5236663), (17, 1848234), (23, 1366086), (34, 924117), (46, 683043), (51, 616078), (59, 532542), (69, 455362), (102, 308039), (118, 266271), (138, 227681), (177, 177514), (227, 138414), (354, 88757), (391, 80358), (454, 69207), (681, 46138), (782, 40179), (1003, 31326), (1173, 26786), (1357, 23154), (1362, 23069), (2006, 15663), (2346, 13393), (2714, 11577), (3009, 10442), (3859, 8142), (4071, 7718), (5221, 6018)]