157996894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 286156800

約数和(自身を除く): 128159906

約数列:

[1, 2, 11, 19, 22, 31, 38, 62, 89, 137, 178, 209, 274, 341, 418, 589, 682, 979, 1178, 1507, 1691, 1958, 2603, 2759, 3014, 3382, 4247, 5206, 5518, 6479, 8494, 12193, 12958, 18601, 24386, 28633, 30349, 37202, 46717, 52421, 57266, 60698, 80693, 93434, 104842, 134123, 161386, 231667, 268246, 377983, 463334, 576631, 755966, 887623, 1153262, 1775246, 2548337, 4157813, 5096674, 7181677, 8315626, 14363354, 78998447, 157996894]

約数ペア:

[(1, 157996894), (2, 78998447), (11, 14363354), (19, 8315626), (22, 7181677), (31, 5096674), (38, 4157813), (62, 2548337), (89, 1775246), (137, 1153262), (178, 887623), (209, 755966), (274, 576631), (341, 463334), (418, 377983), (589, 268246), (682, 231667), (979, 161386), (1178, 134123), (1507, 104842), (1691, 93434), (1958, 80693), (2603, 60698), (2759, 57266), (3014, 52421), (3382, 46717), (4247, 37202), (5206, 30349), (5518, 28633), (6479, 24386), (8494, 18601), (12193, 12958)]