28739282

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 56173824

約数和(自身を除く): 27434542

約数列:

[1, 2, 11, 13, 17, 22, 23, 26, 34, 46, 143, 187, 221, 253, 257, 286, 299, 374, 391, 442, 506, 514, 598, 782, 2431, 2827, 3289, 3341, 4301, 4369, 4862, 5083, 5654, 5911, 6578, 6682, 8602, 8738, 10166, 11822, 36751, 48059, 55913, 56797, 65021, 73502, 76843, 96118, 100487, 111826, 113594, 130042, 153686, 200974, 624767, 845273, 1105357, 1249534, 1306331, 1690546, 2210714, 2612662, 14369641, 28739282]

約数ペア:

[(1, 28739282), (2, 14369641), (11, 2612662), (13, 2210714), (17, 1690546), (22, 1306331), (23, 1249534), (26, 1105357), (34, 845273), (46, 624767), (143, 200974), (187, 153686), (221, 130042), (253, 113594), (257, 111826), (286, 100487), (299, 96118), (374, 76843), (391, 73502), (442, 65021), (506, 56797), (514, 55913), (598, 48059), (782, 36751), (2431, 11822), (2827, 10166), (3289, 8738), (3341, 8602), (4301, 6682), (4369, 6578), (4862, 5911), (5083, 5654)]