2643108728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:577

約数の個数: 128

約数和(自身を含む): 5857427520

約数和(自身を除く): 3214318792

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 53, 67, 68, 104, 106, 134, 136, 212, 221, 268, 421, 424, 442, 536, 689, 842, 871, 884, 901, 1139, 1378, 1684, 1742, 1768, 1802, 2278, 2756, 3368, 3484, 3551, 3604, 4556, 5473, 5512, 6968, 7102, 7157, 7208, 9112, 10946, 11713, 14204, 14314, 14807, 21892, 22313, 23426, 28207, 28408, 28628, 29614, 43784, 44626, 46163, 46852, 56414, 57256, 59228, 60367, 89252, 92326, 93041, 93704, 112828, 118456, 120734, 178504, 184652, 186082, 225656, 241468, 290069, 366691, 369304, 372164, 379321, 479519, 482936, 580138, 733382, 744328, 758642, 784771, 959038, 1160276, 1466764, 1494971, 1517284, 1569542, 1918076, 2320552, 2933528, 2989942, 3034568, 3139084, 3836152, 4931173, 5979884, 6233747, 6278168, 9862346, 11959768, 12467494, 19434623, 19724692, 24934988, 25414507, 38869246, 39449384, 49869976, 50829014, 77738492, 101658028, 155476984, 203316056, 330388591, 660777182, 1321554364, 2643108728]

約数ペア:

[(1, 2643108728), (2, 1321554364), (4, 660777182), (8, 330388591), (13, 203316056), (17, 155476984), (26, 101658028), (34, 77738492), (52, 50829014), (53, 49869976), (67, 39449384), (68, 38869246), (104, 25414507), (106, 24934988), (134, 19724692), (136, 19434623), (212, 12467494), (221, 11959768), (268, 9862346), (421, 6278168), (424, 6233747), (442, 5979884), (536, 4931173), (689, 3836152), (842, 3139084), (871, 3034568), (884, 2989942), (901, 2933528), (1139, 2320552), (1378, 1918076), (1684, 1569542), (1742, 1517284), (1768, 1494971), (1802, 1466764), (2278, 1160276), (2756, 959038), (3368, 784771), (3484, 758642), (3551, 744328), (3604, 733382), (4556, 580138), (5473, 482936), (5512, 479519), (6968, 379321), (7102, 372164), (7157, 369304), (7208, 366691), (9112, 290069), (10946, 241468), (11713, 225656), (14204, 186082), (14314, 184652), (14807, 178504), (21892, 120734), (22313, 118456), (23426, 112828), (28207, 93704), (28408, 93041), (28628, 92326), (29614, 89252), (43784, 60367), (44626, 59228), (46163, 57256), (46852, 56414)]