661342144

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{1543}}^1$

素因数の和:1773

約数の個数: 56

約数和(自身を含む): 1356144608

約数和(自身を除く): 694802464

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 181, 296, 362, 592, 724, 1184, 1448, 1543, 2368, 2896, 3086, 5792, 6172, 6697, 11584, 12344, 13394, 24688, 26788, 49376, 53576, 57091, 98752, 107152, 114182, 214304, 228364, 279283, 428608, 456728, 558566, 913456, 1117132, 1826912, 2234264, 3653824, 4468528, 8937056, 10333471, 17874112, 20666942, 41333884, 82667768, 165335536, 330671072, 661342144]

約数ペア:

[(1, 661342144), (2, 330671072), (4, 165335536), (8, 82667768), (16, 41333884), (32, 20666942), (37, 17874112), (64, 10333471), (74, 8937056), (148, 4468528), (181, 3653824), (296, 2234264), (362, 1826912), (592, 1117132), (724, 913456), (1184, 558566), (1448, 456728), (1543, 428608), (2368, 279283), (2896, 228364), (3086, 214304), (5792, 114182), (6172, 107152), (6697, 98752), (11584, 57091), (12344, 53576), (13394, 49376), (24688, 26788)]