28640892

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{727}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 79008384

約数和(自身を除く): 50367492

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 67, 84, 98, 134, 147, 196, 201, 268, 294, 402, 469, 588, 727, 804, 938, 1407, 1454, 1876, 2181, 2814, 2908, 3283, 4362, 5089, 5628, 6566, 8724, 9849, 10178, 13132, 15267, 19698, 20356, 30534, 35623, 39396, 48709, 61068, 71246, 97418, 106869, 142492, 146127, 194836, 213738, 292254, 340963, 427476, 584508, 681926, 1022889, 1363852, 2045778, 2386741, 4091556, 4773482, 7160223, 9546964, 14320446, 28640892]

約数ペア:

[(1, 28640892), (2, 14320446), (3, 9546964), (4, 7160223), (6, 4773482), (7, 4091556), (12, 2386741), (14, 2045778), (21, 1363852), (28, 1022889), (42, 681926), (49, 584508), (67, 427476), (84, 340963), (98, 292254), (134, 213738), (147, 194836), (196, 146127), (201, 142492), (268, 106869), (294, 97418), (402, 71246), (469, 61068), (588, 48709), (727, 39396), (804, 35623), (938, 30534), (1407, 20356), (1454, 19698), (1876, 15267), (2181, 13132), (2814, 10178), (2908, 9849), (3283, 8724), (4362, 6566), (5089, 5628)]