28106988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3677}}^1$

素因数の和:3711

約数の個数: 72

約数和(自身を含む): 82181232

約数和(自身を除く): 54074244

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3677, 3822, 7354, 7644, 11031, 14708, 22062, 25739, 44124, 47801, 51478, 77217, 95602, 102956, 143403, 154434, 180173, 191204, 286806, 308868, 334607, 360346, 540519, 573612, 669214, 720692, 1003821, 1081038, 1338428, 2007642, 2162076, 2342249, 4015284, 4684498, 7026747, 9368996, 14053494, 28106988]

約数ペア:

[(1, 28106988), (2, 14053494), (3, 9368996), (4, 7026747), (6, 4684498), (7, 4015284), (12, 2342249), (13, 2162076), (14, 2007642), (21, 1338428), (26, 1081038), (28, 1003821), (39, 720692), (42, 669214), (49, 573612), (52, 540519), (78, 360346), (84, 334607), (91, 308868), (98, 286806), (147, 191204), (156, 180173), (182, 154434), (196, 143403), (273, 102956), (294, 95602), (364, 77217), (546, 51478), (588, 47801), (637, 44124), (1092, 25739), (1274, 22062), (1911, 14708), (2548, 11031), (3677, 7644), (3822, 7354)]