645730344

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{1281211}}^1$

素因数の和:1281230

約数の個数: 48

約数和(自身を含む): 1998690720

約数和(自身を除く): 1352960376

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 1281211, 2562422, 3843633, 5124844, 7687266, 8968477, 10249688, 11530899, 15374532, 17936954, 23061798, 26905431, 30749064, 35873908, 46123596, 53810862, 71747816, 80716293, 92247192, 107621724, 161432586, 215243448, 322865172, 645730344]

約数ペア:

[(1, 645730344), (2, 322865172), (3, 215243448), (4, 161432586), (6, 107621724), (7, 92247192), (8, 80716293), (9, 71747816), (12, 53810862), (14, 46123596), (18, 35873908), (21, 30749064), (24, 26905431), (28, 23061798), (36, 17936954), (42, 15374532), (56, 11530899), (63, 10249688), (72, 8968477), (84, 7687266), (126, 5124844), (168, 3843633), (252, 2562422), (504, 1281211)]