28981344

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 90837936

約数和(自身を除く): 61856592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 61, 84, 96, 98, 101, 112, 122, 147, 168, 183, 196, 202, 224, 244, 294, 303, 336, 366, 392, 404, 427, 488, 588, 606, 672, 707, 732, 784, 808, 854, 976, 1176, 1212, 1281, 1414, 1464, 1568, 1616, 1708, 1952, 2121, 2352, 2424, 2562, 2828, 2928, 2989, 3232, 3416, 4242, 4704, 4848, 4949, 5124, 5656, 5856, 5978, 6161, 6832, 8484, 8967, 9696, 9898, 10248, 11312, 11956, 12322, 13664, 14847, 16968, 17934, 18483, 19796, 20496, 22624, 23912, 24644, 29694, 33936, 35868, 36966, 39592, 40992, 43127, 47824, 49288, 59388, 67872, 71736, 73932, 79184, 86254, 95648, 98576, 118776, 129381, 143472, 147864, 158368, 172508, 197152, 237552, 258762, 286944, 295728, 301889, 345016, 475104, 517524, 591456, 603778, 690032, 905667, 1035048, 1207556, 1380064, 1811334, 2070096, 2415112, 3622668, 4140192, 4830224, 7245336, 9660448, 14490672, 28981344]

約数ペア:

[(1, 28981344), (2, 14490672), (3, 9660448), (4, 7245336), (6, 4830224), (7, 4140192), (8, 3622668), (12, 2415112), (14, 2070096), (16, 1811334), (21, 1380064), (24, 1207556), (28, 1035048), (32, 905667), (42, 690032), (48, 603778), (49, 591456), (56, 517524), (61, 475104), (84, 345016), (96, 301889), (98, 295728), (101, 286944), (112, 258762), (122, 237552), (147, 197152), (168, 172508), (183, 158368), (196, 147864), (202, 143472), (224, 129381), (244, 118776), (294, 98576), (303, 95648), (336, 86254), (366, 79184), (392, 73932), (404, 71736), (427, 67872), (488, 59388), (588, 49288), (606, 47824), (672, 43127), (707, 40992), (732, 39592), (784, 36966), (808, 35868), (854, 33936), (976, 29694), (1176, 24644), (1212, 23912), (1281, 22624), (1414, 20496), (1464, 19796), (1568, 18483), (1616, 17934), (1708, 16968), (1952, 14847), (2121, 13664), (2352, 12322), (2424, 11956), (2562, 11312), (2828, 10248), (2928, 9898), (2989, 9696), (3232, 8967), (3416, 8484), (4242, 6832), (4704, 6161), (4848, 5978), (4949, 5856), (5124, 5656)]