16640988

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 48921600

約数和(自身を除く): 32280612

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 311, 343, 364, 546, 588, 622, 637, 686, 933, 1029, 1092, 1244, 1274, 1372, 1866, 1911, 2058, 2177, 2548, 3732, 3822, 4043, 4116, 4354, 4459, 6531, 7644, 8086, 8708, 8918, 12129, 13062, 13377, 15239, 16172, 17836, 24258, 26124, 26754, 28301, 30478, 45717, 48516, 53508, 56602, 60956, 84903, 91434, 106673, 113204, 169806, 182868, 198107, 213346, 320019, 339612, 396214, 426692, 594321, 640038, 792428, 1188642, 1280076, 1386749, 2377284, 2773498, 4160247, 5546996, 8320494, 16640988]

約数ペア:

[(1, 16640988), (2, 8320494), (3, 5546996), (4, 4160247), (6, 2773498), (7, 2377284), (12, 1386749), (13, 1280076), (14, 1188642), (21, 792428), (26, 640038), (28, 594321), (39, 426692), (42, 396214), (49, 339612), (52, 320019), (78, 213346), (84, 198107), (91, 182868), (98, 169806), (147, 113204), (156, 106673), (182, 91434), (196, 84903), (273, 60956), (294, 56602), (311, 53508), (343, 48516), (364, 45717), (546, 30478), (588, 28301), (622, 26754), (637, 26124), (686, 24258), (933, 17836), (1029, 16172), (1092, 15239), (1244, 13377), (1274, 13062), (1372, 12129), (1866, 8918), (1911, 8708), (2058, 8086), (2177, 7644), (2548, 6531), (3732, 4459), (3822, 4354), (4043, 4116)]