2078902904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{4639}}^1$

素因数の和:4828

約数の個数: 64

約数和(自身を含む): 4365312000

約数和(自身を除く): 2286409096

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 139, 248, 278, 403, 556, 806, 1112, 1612, 1807, 3224, 3614, 4309, 4639, 7228, 8618, 9278, 14456, 17236, 18556, 34472, 37112, 56017, 60307, 112034, 120614, 143809, 224068, 241228, 287618, 448136, 482456, 575236, 644821, 1150472, 1289642, 1869517, 2579284, 3739034, 5158568, 7478068, 8382673, 14956136, 16765346, 19989451, 33530692, 39978902, 67061384, 79957804, 159915608, 259862863, 519725726, 1039451452, 2078902904]

約数ペア:

[(1, 2078902904), (2, 1039451452), (4, 519725726), (8, 259862863), (13, 159915608), (26, 79957804), (31, 67061384), (52, 39978902), (62, 33530692), (104, 19989451), (124, 16765346), (139, 14956136), (248, 8382673), (278, 7478068), (403, 5158568), (556, 3739034), (806, 2579284), (1112, 1869517), (1612, 1289642), (1807, 1150472), (3224, 644821), (3614, 575236), (4309, 482456), (4639, 448136), (7228, 287618), (8618, 241228), (9278, 224068), (14456, 143809), (17236, 120614), (18556, 112034), (34472, 60307), (37112, 56017)]