407777442

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 875888640

約数和(自身を除く): 468111198

約数列:

[1, 2, 3, 6, 23, 46, 53, 69, 106, 127, 138, 159, 254, 318, 381, 439, 762, 878, 1219, 1317, 2438, 2634, 2921, 3657, 5842, 6731, 7314, 8763, 10097, 13462, 17526, 20193, 20194, 23267, 30291, 40386, 46534, 55753, 60582, 69801, 111506, 139602, 154813, 167259, 309626, 334518, 464439, 535141, 928878, 1070282, 1282319, 1605423, 2564638, 2954909, 3210846, 3846957, 5909818, 7693914, 8864727, 17729454, 67962907, 135925814, 203888721, 407777442]

約数ペア:

[(1, 407777442), (2, 203888721), (3, 135925814), (6, 67962907), (23, 17729454), (46, 8864727), (53, 7693914), (69, 5909818), (106, 3846957), (127, 3210846), (138, 2954909), (159, 2564638), (254, 1605423), (318, 1282319), (381, 1070282), (439, 928878), (762, 535141), (878, 464439), (1219, 334518), (1317, 309626), (2438, 167259), (2634, 154813), (2921, 139602), (3657, 111506), (5842, 69801), (6731, 60582), (7314, 55753), (8763, 46534), (10097, 40386), (13462, 30291), (17526, 23267), (20193, 20194)]