1986881442

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:808

約数の個数: 128

約数和(自身を含む): 5028495360

約数和(自身を除く): 3041613918

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 73, 78, 79, 91, 146, 158, 182, 219, 237, 273, 438, 474, 511, 546, 553, 631, 949, 1022, 1027, 1106, 1262, 1533, 1659, 1893, 1898, 2054, 2847, 3066, 3081, 3318, 3786, 4417, 5694, 5767, 6162, 6643, 7189, 8203, 8834, 11534, 13251, 13286, 14378, 16406, 17301, 19929, 21567, 24609, 26502, 34602, 39858, 40369, 43134, 46063, 49218, 49849, 57421, 74971, 80738, 92126, 99698, 114842, 121107, 138189, 149547, 149942, 172263, 224913, 242214, 276378, 299094, 322441, 344526, 348943, 449826, 524797, 598819, 644882, 648037, 697886, 967323, 1046829, 1049594, 1197638, 1296074, 1574391, 1796457, 1934646, 1944111, 2093658, 3148782, 3592914, 3638977, 3888222, 4191733, 4536259, 7277954, 8383466, 9072518, 10916931, 12575199, 13608777, 21833862, 25150398, 25472839, 27217554, 47306701, 50945678, 76418517, 94613402, 141920103, 152837034, 283840206, 331146907, 662293814, 993440721, 1986881442]

約数ペア:

[(1, 1986881442), (2, 993440721), (3, 662293814), (6, 331146907), (7, 283840206), (13, 152837034), (14, 141920103), (21, 94613402), (26, 76418517), (39, 50945678), (42, 47306701), (73, 27217554), (78, 25472839), (79, 25150398), (91, 21833862), (146, 13608777), (158, 12575199), (182, 10916931), (219, 9072518), (237, 8383466), (273, 7277954), (438, 4536259), (474, 4191733), (511, 3888222), (546, 3638977), (553, 3592914), (631, 3148782), (949, 2093658), (1022, 1944111), (1027, 1934646), (1106, 1796457), (1262, 1574391), (1533, 1296074), (1659, 1197638), (1893, 1049594), (1898, 1046829), (2054, 967323), (2847, 697886), (3066, 648037), (3081, 644882), (3318, 598819), (3786, 524797), (4417, 449826), (5694, 348943), (5767, 344526), (6162, 322441), (6643, 299094), (7189, 276378), (8203, 242214), (8834, 224913), (11534, 172263), (13251, 149942), (13286, 149547), (14378, 138189), (16406, 121107), (17301, 114842), (19929, 99698), (21567, 92126), (24609, 80738), (26502, 74971), (34602, 57421), (39858, 49849), (40369, 49218), (43134, 46063)]