977970812

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20201}}^1$

素因数の和:20251

約数の個数: 72

約数和(自身を含む): 2256967440

約数和(自身を除く): 1278996628

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 637, 931, 988, 1274, 1729, 1862, 2548, 3458, 3724, 6916, 12103, 20201, 24206, 40402, 48412, 80804, 141407, 262613, 282814, 383819, 525226, 565628, 767638, 989849, 1050452, 1535276, 1838291, 1979698, 2686733, 3676582, 3959396, 4989647, 5373466, 7353164, 9979294, 10746932, 12868037, 18807131, 19958588, 25736074, 34927529, 37614262, 51472148, 69855058, 75228524, 139710116, 244492703, 488985406, 977970812]

約数ペア:

[(1, 977970812), (2, 488985406), (4, 244492703), (7, 139710116), (13, 75228524), (14, 69855058), (19, 51472148), (26, 37614262), (28, 34927529), (38, 25736074), (49, 19958588), (52, 18807131), (76, 12868037), (91, 10746932), (98, 9979294), (133, 7353164), (182, 5373466), (196, 4989647), (247, 3959396), (266, 3676582), (364, 2686733), (494, 1979698), (532, 1838291), (637, 1535276), (931, 1050452), (988, 989849), (1274, 767638), (1729, 565628), (1862, 525226), (2548, 383819), (3458, 282814), (3724, 262613), (6916, 141407), (12103, 80804), (20201, 48412), (24206, 40402)]