28535188

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 60328800

約数和(自身を除く): 31793612

約数列:

[1, 2, 4, 11, 19, 22, 29, 38, 44, 58, 76, 107, 116, 121, 209, 214, 242, 319, 418, 428, 484, 551, 638, 836, 1102, 1177, 1276, 2033, 2204, 2299, 2354, 3103, 3509, 4066, 4598, 4708, 6061, 6206, 7018, 8132, 9196, 12122, 12412, 12947, 14036, 22363, 24244, 25894, 34133, 44726, 51788, 58957, 66671, 68266, 89452, 117914, 133342, 136532, 235828, 245993, 266684, 375463, 491986, 648527, 750926, 983972, 1297054, 1501852, 2594108, 7133797, 14267594, 28535188]

約数ペア:

[(1, 28535188), (2, 14267594), (4, 7133797), (11, 2594108), (19, 1501852), (22, 1297054), (29, 983972), (38, 750926), (44, 648527), (58, 491986), (76, 375463), (107, 266684), (116, 245993), (121, 235828), (209, 136532), (214, 133342), (242, 117914), (319, 89452), (418, 68266), (428, 66671), (484, 58957), (551, 51788), (638, 44726), (836, 34133), (1102, 25894), (1177, 24244), (1276, 22363), (2033, 14036), (2204, 12947), (2299, 12412), (2354, 12122), (3103, 9196), (3509, 8132), (4066, 7018), (4598, 6206), (4708, 6061)]