28945476

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:354

約数の個数: 108

約数和(自身を含む): 86830380

約数和(自身を除く): 57884904

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 61, 63, 84, 98, 122, 126, 147, 183, 196, 244, 252, 269, 294, 366, 427, 441, 538, 549, 588, 732, 807, 854, 882, 1076, 1098, 1281, 1614, 1708, 1764, 1883, 2196, 2421, 2562, 2989, 3228, 3766, 3843, 4842, 5124, 5649, 5978, 7532, 7686, 8967, 9684, 11298, 11956, 13181, 15372, 16409, 16947, 17934, 22596, 26362, 26901, 32818, 33894, 35868, 39543, 49227, 52724, 53802, 65636, 67788, 79086, 98454, 107604, 114863, 118629, 147681, 158172, 196908, 229726, 237258, 295362, 344589, 459452, 474516, 590724, 689178, 804041, 1033767, 1378356, 1608082, 2067534, 2412123, 3216164, 4135068, 4824246, 7236369, 9648492, 14472738, 28945476]

約数ペア:

[(1, 28945476), (2, 14472738), (3, 9648492), (4, 7236369), (6, 4824246), (7, 4135068), (9, 3216164), (12, 2412123), (14, 2067534), (18, 1608082), (21, 1378356), (28, 1033767), (36, 804041), (42, 689178), (49, 590724), (61, 474516), (63, 459452), (84, 344589), (98, 295362), (122, 237258), (126, 229726), (147, 196908), (183, 158172), (196, 147681), (244, 118629), (252, 114863), (269, 107604), (294, 98454), (366, 79086), (427, 67788), (441, 65636), (538, 53802), (549, 52724), (588, 49227), (732, 39543), (807, 35868), (854, 33894), (882, 32818), (1076, 26901), (1098, 26362), (1281, 22596), (1614, 17934), (1708, 16947), (1764, 16409), (1883, 15372), (2196, 13181), (2421, 11956), (2562, 11298), (2989, 9684), (3228, 8967), (3766, 7686), (3843, 7532), (4842, 5978), (5124, 5649)]