28802004

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 87869376

約数和(自身を除く): 59067372

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 61, 66, 73, 77, 84, 98, 122, 132, 146, 147, 154, 183, 196, 219, 231, 244, 292, 294, 308, 366, 427, 438, 462, 511, 539, 588, 671, 732, 803, 854, 876, 924, 1022, 1078, 1281, 1342, 1533, 1606, 1617, 1708, 2013, 2044, 2156, 2409, 2562, 2684, 2989, 3066, 3212, 3234, 3577, 4026, 4453, 4697, 4818, 5124, 5621, 5978, 6132, 6468, 7154, 8052, 8906, 8967, 9394, 9636, 10731, 11242, 11956, 13359, 14091, 14308, 16863, 17812, 17934, 18788, 21462, 22484, 26718, 28182, 31171, 32879, 33726, 35868, 39347, 42924, 48983, 53436, 56364, 62342, 65758, 67452, 78694, 93513, 97966, 98637, 118041, 124684, 131516, 146949, 157388, 187026, 195932, 197274, 218197, 236082, 293898, 342881, 374052, 394548, 436394, 472164, 587796, 654591, 685762, 872788, 1028643, 1309182, 1371524, 2057286, 2400167, 2618364, 4114572, 4800334, 7200501, 9600668, 14401002, 28802004]

約数ペア:

[(1, 28802004), (2, 14401002), (3, 9600668), (4, 7200501), (6, 4800334), (7, 4114572), (11, 2618364), (12, 2400167), (14, 2057286), (21, 1371524), (22, 1309182), (28, 1028643), (33, 872788), (42, 685762), (44, 654591), (49, 587796), (61, 472164), (66, 436394), (73, 394548), (77, 374052), (84, 342881), (98, 293898), (122, 236082), (132, 218197), (146, 197274), (147, 195932), (154, 187026), (183, 157388), (196, 146949), (219, 131516), (231, 124684), (244, 118041), (292, 98637), (294, 97966), (308, 93513), (366, 78694), (427, 67452), (438, 65758), (462, 62342), (511, 56364), (539, 53436), (588, 48983), (671, 42924), (732, 39347), (803, 35868), (854, 33726), (876, 32879), (924, 31171), (1022, 28182), (1078, 26718), (1281, 22484), (1342, 21462), (1533, 18788), (1606, 17934), (1617, 17812), (1708, 16863), (2013, 14308), (2044, 14091), (2156, 13359), (2409, 11956), (2562, 11242), (2684, 10731), (2989, 9636), (3066, 9394), (3212, 8967), (3234, 8906), (3577, 8052), (4026, 7154), (4453, 6468), (4697, 6132), (4818, 5978), (5124, 5621)]