820979432

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{12671}}^1$

素因数の和:12786

約数の個数: 64

約数和(自身を含む): 1916006400

約数和(自身を除く): 1095026968

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 89, 91, 104, 178, 182, 356, 364, 623, 712, 728, 1157, 1246, 2314, 2492, 4628, 4984, 8099, 9256, 12671, 16198, 25342, 32396, 50684, 64792, 88697, 101368, 164723, 177394, 329446, 354788, 658892, 709576, 1127719, 1153061, 1317784, 2255438, 2306122, 4510876, 4612244, 7894033, 9021752, 9224488, 14660347, 15788066, 29320694, 31576132, 58641388, 63152264, 102622429, 117282776, 205244858, 410489716, 820979432]

約数ペア:

[(1, 820979432), (2, 410489716), (4, 205244858), (7, 117282776), (8, 102622429), (13, 63152264), (14, 58641388), (26, 31576132), (28, 29320694), (52, 15788066), (56, 14660347), (89, 9224488), (91, 9021752), (104, 7894033), (178, 4612244), (182, 4510876), (356, 2306122), (364, 2255438), (623, 1317784), (712, 1153061), (728, 1127719), (1157, 709576), (1246, 658892), (2314, 354788), (2492, 329446), (4628, 177394), (4984, 164723), (8099, 101368), (9256, 88697), (12671, 64792), (16198, 50684), (25342, 32396)]