261972010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{12613}}^1$

素因数の和:12718

約数の個数: 32

約数和(自身を含む): 494065152

約数和(自身を除く): 232093142

約数列:

[1, 2, 5, 10, 31, 62, 67, 134, 155, 310, 335, 670, 2077, 4154, 10385, 12613, 20770, 25226, 63065, 126130, 391003, 782006, 845071, 1690142, 1955015, 3910030, 4225355, 8450710, 26197201, 52394402, 130986005, 261972010]

約数ペア:

[(1, 261972010), (2, 130986005), (5, 52394402), (10, 26197201), (31, 8450710), (62, 4225355), (67, 3910030), (134, 1955015), (155, 1690142), (310, 845071), (335, 782006), (670, 391003), (2077, 126130), (4154, 63065), (10385, 25226), (12613, 20770)]