643692996

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{21011}}^1$

素因数の和:21081

約数の個数: 72

約数和(自身を含む): 1743827904

約数和(自身を除く): 1100134908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 37, 46, 69, 74, 92, 111, 138, 148, 207, 222, 276, 333, 414, 444, 666, 828, 851, 1332, 1702, 2553, 3404, 5106, 7659, 10212, 15318, 21011, 30636, 42022, 63033, 84044, 126066, 189099, 252132, 378198, 483253, 756396, 777407, 966506, 1449759, 1554814, 1933012, 2332221, 2899518, 3109628, 4349277, 4664442, 5799036, 6996663, 8698554, 9328884, 13993326, 17397108, 17880361, 27986652, 35760722, 53641083, 71521444, 107282166, 160923249, 214564332, 321846498, 643692996]

約数ペア:

[(1, 643692996), (2, 321846498), (3, 214564332), (4, 160923249), (6, 107282166), (9, 71521444), (12, 53641083), (18, 35760722), (23, 27986652), (36, 17880361), (37, 17397108), (46, 13993326), (69, 9328884), (74, 8698554), (92, 6996663), (111, 5799036), (138, 4664442), (148, 4349277), (207, 3109628), (222, 2899518), (276, 2332221), (333, 1933012), (414, 1554814), (444, 1449759), (666, 966506), (828, 777407), (851, 756396), (1332, 483253), (1702, 378198), (2553, 252132), (3404, 189099), (5106, 126066), (7659, 84044), (10212, 63033), (15318, 42022), (21011, 30636)]