28394036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 56246400

約数和(自身を除く): 27852364

約数列:

[1, 2, 4, 11, 22, 44, 61, 71, 122, 142, 149, 244, 284, 298, 596, 671, 781, 1342, 1562, 1639, 2684, 3124, 3278, 4331, 6556, 8662, 9089, 10579, 17324, 18178, 21158, 36356, 42316, 47641, 95282, 99979, 116369, 190564, 199958, 232738, 399916, 465476, 645319, 1290638, 2581276, 7098509, 14197018, 28394036]

約数ペア:

[(1, 28394036), (2, 14197018), (4, 7098509), (11, 2581276), (22, 1290638), (44, 645319), (61, 465476), (71, 399916), (122, 232738), (142, 199958), (149, 190564), (244, 116369), (284, 99979), (298, 95282), (596, 47641), (671, 42316), (781, 36356), (1342, 21158), (1562, 18178), (1639, 17324), (2684, 10579), (3124, 9089), (3278, 8662), (4331, 6556)]