201991496

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2039}}^1$

素因数の和:2142

約数の個数: 64

約数和(自身を含む): 455328000

約数和(自身を除く): 253336504

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 61, 116, 122, 203, 232, 244, 406, 427, 488, 812, 854, 1624, 1708, 1769, 2039, 3416, 3538, 4078, 7076, 8156, 12383, 14152, 14273, 16312, 24766, 28546, 49532, 57092, 59131, 99064, 114184, 118262, 124379, 236524, 248758, 413917, 473048, 497516, 827834, 870653, 995032, 1655668, 1741306, 3311336, 3482612, 3606991, 6965224, 7213982, 14427964, 25248937, 28855928, 50497874, 100995748, 201991496]

約数ペア:

[(1, 201991496), (2, 100995748), (4, 50497874), (7, 28855928), (8, 25248937), (14, 14427964), (28, 7213982), (29, 6965224), (56, 3606991), (58, 3482612), (61, 3311336), (116, 1741306), (122, 1655668), (203, 995032), (232, 870653), (244, 827834), (406, 497516), (427, 473048), (488, 413917), (812, 248758), (854, 236524), (1624, 124379), (1708, 118262), (1769, 114184), (2039, 99064), (3416, 59131), (3538, 57092), (4078, 49532), (7076, 28546), (8156, 24766), (12383, 16312), (14152, 14273)]