28756026

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 72731520

約数和(自身を除く): 43975494

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 117, 137, 138, 169, 207, 234, 274, 299, 338, 351, 411, 414, 507, 598, 621, 702, 822, 897, 1014, 1233, 1242, 1521, 1781, 1794, 2466, 2691, 3042, 3151, 3562, 3699, 3887, 4563, 5343, 5382, 6302, 7398, 7774, 8073, 9126, 9453, 10686, 11661, 16029, 16146, 18906, 23153, 23322, 28359, 32058, 34983, 40963, 46306, 48087, 56718, 69459, 69966, 81926, 85077, 96174, 104949, 122889, 138918, 170154, 208377, 209898, 245778, 368667, 416754, 532519, 625131, 737334, 1065038, 1106001, 1250262, 1597557, 2212002, 3195114, 4792671, 9585342, 14378013, 28756026]

約数ペア:

[(1, 28756026), (2, 14378013), (3, 9585342), (6, 4792671), (9, 3195114), (13, 2212002), (18, 1597557), (23, 1250262), (26, 1106001), (27, 1065038), (39, 737334), (46, 625131), (54, 532519), (69, 416754), (78, 368667), (117, 245778), (137, 209898), (138, 208377), (169, 170154), (207, 138918), (234, 122889), (274, 104949), (299, 96174), (338, 85077), (351, 81926), (411, 69966), (414, 69459), (507, 56718), (598, 48087), (621, 46306), (702, 40963), (822, 34983), (897, 32058), (1014, 28359), (1233, 23322), (1242, 23153), (1521, 18906), (1781, 16146), (1794, 16029), (2466, 11661), (2691, 10686), (3042, 9453), (3151, 9126), (3562, 8073), (3699, 7774), (3887, 7398), (4563, 6302), (5343, 5382)]