28377906

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 63590400

約数和(自身を除く): 35212494

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 79, 114, 137, 138, 158, 237, 274, 411, 437, 474, 822, 874, 1311, 1501, 1817, 2603, 2622, 3002, 3151, 3634, 4503, 5206, 5451, 6302, 7809, 9006, 9453, 10823, 10902, 15618, 18906, 21646, 32469, 34523, 59869, 64938, 69046, 103569, 119738, 179607, 205637, 207138, 248929, 359214, 411274, 497858, 616911, 746787, 1233822, 1493574, 4729651, 9459302, 14188953, 28377906]

約数ペア:

[(1, 28377906), (2, 14188953), (3, 9459302), (6, 4729651), (19, 1493574), (23, 1233822), (38, 746787), (46, 616911), (57, 497858), (69, 411274), (79, 359214), (114, 248929), (137, 207138), (138, 205637), (158, 179607), (237, 119738), (274, 103569), (411, 69046), (437, 64938), (474, 59869), (822, 34523), (874, 32469), (1311, 21646), (1501, 18906), (1817, 15618), (2603, 10902), (2622, 10823), (3002, 9453), (3151, 9006), (3634, 7809), (4503, 6302), (5206, 5451)]