12891008

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 28331520

約数和(自身を除く): 15440512

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 127, 128, 208, 244, 254, 416, 488, 508, 793, 832, 976, 1016, 1586, 1651, 1664, 1952, 2032, 3172, 3302, 3904, 4064, 6344, 6604, 7747, 7808, 8128, 12688, 13208, 15494, 16256, 25376, 26416, 30988, 50752, 52832, 61976, 100711, 101504, 105664, 123952, 201422, 211328, 247904, 402844, 495808, 805688, 991616, 1611376, 3222752, 6445504, 12891008]

約数ペア:

[(1, 12891008), (2, 6445504), (4, 3222752), (8, 1611376), (13, 991616), (16, 805688), (26, 495808), (32, 402844), (52, 247904), (61, 211328), (64, 201422), (104, 123952), (122, 105664), (127, 101504), (128, 100711), (208, 61976), (244, 52832), (254, 50752), (416, 30988), (488, 26416), (508, 25376), (793, 16256), (832, 15494), (976, 13208), (1016, 12688), (1586, 8128), (1651, 7808), (1664, 7747), (1952, 6604), (2032, 6344), (3172, 4064), (3302, 3904)]