28748772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1307}}^1$

素因数の和:1377

約数の個数: 72

約数和(自身を含む): 79986816

約数和(自身を除く): 51238044

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 1222, 1307, 1692, 1833, 2444, 2614, 3666, 3921, 5228, 5499, 7332, 7842, 10998, 11763, 15684, 16991, 21996, 23526, 33982, 47052, 50973, 61429, 67964, 101946, 122858, 152919, 184287, 203892, 245716, 305838, 368574, 552861, 611676, 737148, 798577, 1105722, 1597154, 2211444, 2395731, 3194308, 4791462, 7187193, 9582924, 14374386, 28748772]

約数ペア:

[(1, 28748772), (2, 14374386), (3, 9582924), (4, 7187193), (6, 4791462), (9, 3194308), (12, 2395731), (13, 2211444), (18, 1597154), (26, 1105722), (36, 798577), (39, 737148), (47, 611676), (52, 552861), (78, 368574), (94, 305838), (117, 245716), (141, 203892), (156, 184287), (188, 152919), (234, 122858), (282, 101946), (423, 67964), (468, 61429), (564, 50973), (611, 47052), (846, 33982), (1222, 23526), (1307, 21996), (1692, 16991), (1833, 15684), (2444, 11763), (2614, 10998), (3666, 7842), (3921, 7332), (5228, 5499)]