28784802

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 62853120

約数和(自身を除く): 34068318

約数列:

[1, 2, 3, 6, 31, 43, 59, 61, 62, 86, 93, 118, 122, 129, 177, 183, 186, 258, 354, 366, 1333, 1829, 1891, 2537, 2623, 2666, 3599, 3658, 3782, 3999, 5074, 5246, 5487, 5673, 7198, 7611, 7869, 7998, 10797, 10974, 11346, 15222, 15738, 21594, 78647, 81313, 111569, 154757, 157294, 162626, 223138, 235941, 243939, 309514, 334707, 464271, 471882, 487878, 669414, 928542, 4797467, 9594934, 14392401, 28784802]

約数ペア:

[(1, 28784802), (2, 14392401), (3, 9594934), (6, 4797467), (31, 928542), (43, 669414), (59, 487878), (61, 471882), (62, 464271), (86, 334707), (93, 309514), (118, 243939), (122, 235941), (129, 223138), (177, 162626), (183, 157294), (186, 154757), (258, 111569), (354, 81313), (366, 78647), (1333, 21594), (1829, 15738), (1891, 15222), (2537, 11346), (2623, 10974), (2666, 10797), (3599, 7998), (3658, 7869), (3782, 7611), (3999, 7198), (5074, 5673), (5246, 5487)]