28155890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1553}}^1$

素因数の和:1611

約数の個数: 48

約数和(自身を含む): 60587352

約数和(自身を除く): 32431462

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 370, 490, 518, 1295, 1553, 1813, 2590, 3106, 3626, 7765, 9065, 10871, 15530, 18130, 21742, 54355, 57461, 76097, 108710, 114922, 152194, 287305, 380485, 402227, 574610, 760970, 804454, 2011135, 2815589, 4022270, 5631178, 14077945, 28155890]

約数ペア:

[(1, 28155890), (2, 14077945), (5, 5631178), (7, 4022270), (10, 2815589), (14, 2011135), (35, 804454), (37, 760970), (49, 574610), (70, 402227), (74, 380485), (98, 287305), (185, 152194), (245, 114922), (259, 108710), (370, 76097), (490, 57461), (518, 54355), (1295, 21742), (1553, 18130), (1813, 15530), (2590, 10871), (3106, 9065), (3626, 7765)]