247065728

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21211}}^1$

素因数の和:21245

約数の個数: 64

約数和(自身を含む): 605814720

約数和(自身を除く): 358748992

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2912, 5824, 11648, 21211, 42422, 84844, 148477, 169688, 275743, 296954, 339376, 551486, 593908, 678752, 1102972, 1187816, 1357504, 1930201, 2205944, 2375632, 2715008, 3860402, 4411888, 4751264, 7720804, 8823776, 9502528, 15441608, 17647552, 19005056, 30883216, 35295104, 61766432, 123532864, 247065728]

約数ペア:

[(1, 247065728), (2, 123532864), (4, 61766432), (7, 35295104), (8, 30883216), (13, 19005056), (14, 17647552), (16, 15441608), (26, 9502528), (28, 8823776), (32, 7720804), (52, 4751264), (56, 4411888), (64, 3860402), (91, 2715008), (104, 2375632), (112, 2205944), (128, 1930201), (182, 1357504), (208, 1187816), (224, 1102972), (364, 678752), (416, 593908), (448, 551486), (728, 339376), (832, 296954), (896, 275743), (1456, 169688), (1664, 148477), (2912, 84844), (5824, 42422), (11648, 21211)]