28712944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:186

約数の個数: 80

約数和(自身を含む): 63718144

約数和(自身を除く): 35005200

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 61, 62, 73, 104, 122, 124, 146, 208, 244, 248, 292, 403, 488, 496, 584, 793, 806, 949, 976, 1168, 1586, 1612, 1891, 1898, 2263, 3172, 3224, 3782, 3796, 4453, 4526, 6344, 6448, 7564, 7592, 8906, 9052, 12688, 15128, 15184, 17812, 18104, 24583, 29419, 30256, 35624, 36208, 49166, 57889, 58838, 71248, 98332, 115778, 117676, 138043, 196664, 231556, 235352, 276086, 393328, 463112, 470704, 552172, 926224, 1104344, 1794559, 2208688, 3589118, 7178236, 14356472, 28712944]

約数ペア:

[(1, 28712944), (2, 14356472), (4, 7178236), (8, 3589118), (13, 2208688), (16, 1794559), (26, 1104344), (31, 926224), (52, 552172), (61, 470704), (62, 463112), (73, 393328), (104, 276086), (122, 235352), (124, 231556), (146, 196664), (208, 138043), (244, 117676), (248, 115778), (292, 98332), (403, 71248), (488, 58838), (496, 57889), (584, 49166), (793, 36208), (806, 35624), (949, 30256), (976, 29419), (1168, 24583), (1586, 18104), (1612, 17812), (1891, 15184), (1898, 15128), (2263, 12688), (3172, 9052), (3224, 8906), (3782, 7592), (3796, 7564), (4453, 6448), (4526, 6344)]