661678268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{907}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 1266115200

約数和(自身を除く): 604436932

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 331, 551, 662, 907, 1102, 1324, 1814, 2204, 3628, 6289, 9599, 12578, 17233, 19198, 25156, 26303, 34466, 38396, 52606, 68932, 105212, 182381, 300217, 364762, 499757, 600434, 729524, 999514, 1200868, 1999028, 5704123, 8706293, 11408246, 17412586, 22816492, 34825172, 165419567, 330839134, 661678268]

約数ペア:

[(1, 661678268), (2, 330839134), (4, 165419567), (19, 34825172), (29, 22816492), (38, 17412586), (58, 11408246), (76, 8706293), (116, 5704123), (331, 1999028), (551, 1200868), (662, 999514), (907, 729524), (1102, 600434), (1324, 499757), (1814, 364762), (2204, 300217), (3628, 182381), (6289, 105212), (9599, 68932), (12578, 52606), (17233, 38396), (19198, 34466), (25156, 26303)]