28782972

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 80619840

約数和(自身を除く): 51836868

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 61, 68, 102, 108, 122, 153, 183, 204, 244, 257, 306, 366, 459, 514, 549, 612, 732, 771, 918, 1028, 1037, 1098, 1542, 1647, 1836, 2074, 2196, 2313, 3084, 3111, 3294, 4148, 4369, 4626, 6222, 6588, 6939, 8738, 9252, 9333, 12444, 13107, 13878, 15677, 17476, 18666, 26214, 27756, 27999, 31354, 37332, 39321, 47031, 52428, 55998, 62708, 78642, 94062, 111996, 117963, 141093, 157284, 188124, 235926, 266509, 282186, 423279, 471852, 533018, 564372, 799527, 846558, 1066036, 1599054, 1693116, 2398581, 3198108, 4797162, 7195743, 9594324, 14391486, 28782972]

約数ペア:

[(1, 28782972), (2, 14391486), (3, 9594324), (4, 7195743), (6, 4797162), (9, 3198108), (12, 2398581), (17, 1693116), (18, 1599054), (27, 1066036), (34, 846558), (36, 799527), (51, 564372), (54, 533018), (61, 471852), (68, 423279), (102, 282186), (108, 266509), (122, 235926), (153, 188124), (183, 157284), (204, 141093), (244, 117963), (257, 111996), (306, 94062), (366, 78642), (459, 62708), (514, 55998), (549, 52428), (612, 47031), (732, 39321), (771, 37332), (918, 31354), (1028, 27999), (1037, 27756), (1098, 26214), (1542, 18666), (1647, 17476), (1836, 15677), (2074, 13878), (2196, 13107), (2313, 12444), (3084, 9333), (3111, 9252), (3294, 8738), (4148, 6939), (4369, 6588), (4626, 6222)]