199881178

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{883}}^1$

素因数の和:971

約数の個数: 64

約数和(自身を含む): 386979840

約数和(自身を除く): 187098662

約数列:

[1, 2, 7, 14, 19, 23, 37, 38, 46, 74, 133, 161, 259, 266, 322, 437, 518, 703, 851, 874, 883, 1406, 1702, 1766, 3059, 4921, 5957, 6118, 6181, 9842, 11914, 12362, 16169, 16777, 20309, 32338, 32671, 33554, 40618, 65342, 113183, 117439, 142163, 226366, 228697, 234878, 284326, 385871, 457394, 620749, 751433, 771742, 1241498, 1502866, 2701097, 4345243, 5260031, 5402194, 8690486, 10520062, 14277227, 28554454, 99940589, 199881178]

約数ペア:

[(1, 199881178), (2, 99940589), (7, 28554454), (14, 14277227), (19, 10520062), (23, 8690486), (37, 5402194), (38, 5260031), (46, 4345243), (74, 2701097), (133, 1502866), (161, 1241498), (259, 771742), (266, 751433), (322, 620749), (437, 457394), (518, 385871), (703, 284326), (851, 234878), (874, 228697), (883, 226366), (1406, 142163), (1702, 117439), (1766, 113183), (3059, 65342), (4921, 40618), (5957, 33554), (6118, 32671), (6181, 32338), (9842, 20309), (11914, 16777), (12362, 16169)]