28868004

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 80196480

約数和(自身を除く): 51328476

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 269, 271, 396, 538, 542, 807, 813, 1076, 1084, 1614, 1626, 2421, 2439, 2959, 2981, 3228, 3252, 4842, 4878, 5918, 5962, 8877, 8943, 9684, 9756, 11836, 11924, 17754, 17886, 26631, 26829, 35508, 35772, 53262, 53658, 72899, 106524, 107316, 145798, 218697, 291596, 437394, 656091, 801889, 874788, 1312182, 1603778, 2405667, 2624364, 3207556, 4811334, 7217001, 9622668, 14434002, 28868004]

約数ペア:

[(1, 28868004), (2, 14434002), (3, 9622668), (4, 7217001), (6, 4811334), (9, 3207556), (11, 2624364), (12, 2405667), (18, 1603778), (22, 1312182), (33, 874788), (36, 801889), (44, 656091), (66, 437394), (99, 291596), (132, 218697), (198, 145798), (269, 107316), (271, 106524), (396, 72899), (538, 53658), (542, 53262), (807, 35772), (813, 35508), (1076, 26829), (1084, 26631), (1614, 17886), (1626, 17754), (2421, 11924), (2439, 11836), (2959, 9756), (2981, 9684), (3228, 8943), (3252, 8877), (4842, 5962), (4878, 5918)]