28211130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{947}}^1$

素因数の和:1291

約数の個数: 48

約数和(自身を含む): 73648224

約数和(自身を除く): 45437094

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 331, 662, 947, 993, 1655, 1894, 1986, 2841, 2979, 3310, 4735, 4965, 5682, 5958, 8523, 9470, 9930, 14205, 14895, 17046, 28410, 29790, 42615, 85230, 313457, 626914, 940371, 1567285, 1880742, 2821113, 3134570, 4701855, 5642226, 9403710, 14105565, 28211130]

約数ペア:

[(1, 28211130), (2, 14105565), (3, 9403710), (5, 5642226), (6, 4701855), (9, 3134570), (10, 2821113), (15, 1880742), (18, 1567285), (30, 940371), (45, 626914), (90, 313457), (331, 85230), (662, 42615), (947, 29790), (993, 28410), (1655, 17046), (1894, 14895), (1986, 14205), (2841, 9930), (2979, 9470), (3310, 8523), (4735, 5958), (4965, 5682)]