638797164

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{6221}}^1$

素因数の和:6470

約数の個数: 48

約数和(自身を含む): 1533100800

約数和(自身を除く): 894303636

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 199, 258, 398, 516, 597, 796, 1194, 2388, 6221, 8557, 12442, 17114, 18663, 24884, 25671, 34228, 37326, 51342, 74652, 102684, 267503, 535006, 802509, 1070012, 1237979, 1605018, 2475958, 3210036, 3713937, 4951916, 7427874, 14855748, 53233097, 106466194, 159699291, 212932388, 319398582, 638797164]

約数ペア:

[(1, 638797164), (2, 319398582), (3, 212932388), (4, 159699291), (6, 106466194), (12, 53233097), (43, 14855748), (86, 7427874), (129, 4951916), (172, 3713937), (199, 3210036), (258, 2475958), (398, 1605018), (516, 1237979), (597, 1070012), (796, 802509), (1194, 535006), (2388, 267503), (6221, 102684), (8557, 74652), (12442, 51342), (17114, 37326), (18663, 34228), (24884, 25671)]