678751942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{20021}}^1$

素因数の和:20124

約数の個数: 32

約数和(自身を含む): 1176332544

約数和(自身を除く): 497580602

約数列:

[1, 2, 11, 22, 23, 46, 67, 134, 253, 506, 737, 1474, 1541, 3082, 16951, 20021, 33902, 40042, 220231, 440462, 460483, 920966, 1341407, 2682814, 5065313, 10130626, 14755477, 29510954, 30852361, 61704722, 339375971, 678751942]

約数ペア:

[(1, 678751942), (2, 339375971), (11, 61704722), (22, 30852361), (23, 29510954), (46, 14755477), (67, 10130626), (134, 5065313), (253, 2682814), (506, 1341407), (737, 920966), (1474, 460483), (1541, 440462), (3082, 220231), (16951, 40042), (20021, 33902)]