28729734

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 65214720

約数和(自身を除く): 36484986

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 67, 73, 89, 134, 146, 178, 201, 219, 267, 402, 438, 534, 737, 803, 979, 1474, 1606, 1958, 2211, 2409, 2937, 4422, 4818, 4891, 5874, 5963, 6497, 9782, 11926, 12994, 14673, 17889, 19491, 29346, 35778, 38982, 53801, 65593, 71467, 107602, 131186, 142934, 161403, 196779, 214401, 322806, 393558, 428802, 435299, 870598, 1305897, 2611794, 4788289, 9576578, 14364867, 28729734]

約数ペア:

[(1, 28729734), (2, 14364867), (3, 9576578), (6, 4788289), (11, 2611794), (22, 1305897), (33, 870598), (66, 435299), (67, 428802), (73, 393558), (89, 322806), (134, 214401), (146, 196779), (178, 161403), (201, 142934), (219, 131186), (267, 107602), (402, 71467), (438, 65593), (534, 53801), (737, 38982), (803, 35778), (979, 29346), (1474, 19491), (1606, 17889), (1958, 14673), (2211, 12994), (2409, 11926), (2937, 9782), (4422, 6497), (4818, 5963), (4891, 5874)]