156639644

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 319334400

約数和(自身を除く): 162694756

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 239, 263, 356, 478, 526, 623, 956, 1052, 1246, 1673, 1841, 2492, 3346, 3682, 6692, 7364, 21271, 23407, 42542, 46814, 62857, 85084, 93628, 125714, 148897, 163849, 251428, 297794, 327698, 439999, 595588, 655396, 879998, 1759996, 5594273, 11188546, 22377092, 39159911, 78319822, 156639644]

約数ペア:

[(1, 156639644), (2, 78319822), (4, 39159911), (7, 22377092), (14, 11188546), (28, 5594273), (89, 1759996), (178, 879998), (239, 655396), (263, 595588), (356, 439999), (478, 327698), (526, 297794), (623, 251428), (956, 163849), (1052, 148897), (1246, 125714), (1673, 93628), (1841, 85084), (2492, 62857), (3346, 46814), (3682, 42542), (6692, 23407), (7364, 21271)]