12878944

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 27708912

約数和(自身を除く): 14829968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 83, 104, 166, 208, 332, 373, 416, 664, 746, 1079, 1328, 1492, 2158, 2656, 2984, 4316, 4849, 5968, 8632, 9698, 11936, 17264, 19396, 30959, 34528, 38792, 61918, 77584, 123836, 155168, 247672, 402467, 495344, 804934, 990688, 1609868, 3219736, 6439472, 12878944]

約数ペア:

[(1, 12878944), (2, 6439472), (4, 3219736), (8, 1609868), (13, 990688), (16, 804934), (26, 495344), (32, 402467), (52, 247672), (83, 155168), (104, 123836), (166, 77584), (208, 61918), (332, 38792), (373, 34528), (416, 30959), (664, 19396), (746, 17264), (1079, 11936), (1328, 9698), (1492, 8632), (2158, 5968), (2656, 4849), (2984, 4316)]