31321472

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2689}}^1$

素因数の和:2723

約数の個数: 64

約数和(自身を含む): 76826400

約数和(自身を除く): 45504928

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, 2689, 2912, 5378, 5824, 10756, 11648, 18823, 21512, 34957, 37646, 43024, 69914, 75292, 86048, 139828, 150584, 172096, 244699, 279656, 301168, 344192, 489398, 559312, 602336, 978796, 1118624, 1204672, 1957592, 2237248, 2409344, 3915184, 4474496, 7830368, 15660736, 31321472]

約数ペア:

[(1, 31321472), (2, 15660736), (4, 7830368), (7, 4474496), (8, 3915184), (13, 2409344), (14, 2237248), (16, 1957592), (26, 1204672), (28, 1118624), (32, 978796), (52, 602336), (56, 559312), (64, 489398), (91, 344192), (104, 301168), (112, 279656), (128, 244699), (182, 172096), (208, 150584), (224, 139828), (364, 86048), (416, 75292), (448, 69914), (728, 43024), (832, 37646), (896, 34957), (1456, 21512), (1664, 18823), (2689, 11648), (2912, 10756), (5378, 5824)]