31200104

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 64825920

約数和(自身を除く): 33625816

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 169, 188, 338, 376, 491, 611, 676, 982, 1222, 1352, 1964, 2444, 3928, 4888, 6383, 7943, 12766, 15886, 23077, 25532, 31772, 46154, 51064, 63544, 82979, 92308, 165958, 184616, 300001, 331916, 600002, 663832, 1200004, 2400008, 3900013, 7800026, 15600052, 31200104]

約数ペア:

[(1, 31200104), (2, 15600052), (4, 7800026), (8, 3900013), (13, 2400008), (26, 1200004), (47, 663832), (52, 600002), (94, 331916), (104, 300001), (169, 184616), (188, 165958), (338, 92308), (376, 82979), (491, 63544), (611, 51064), (676, 46154), (982, 31772), (1222, 25532), (1352, 23077), (1964, 15886), (2444, 12766), (3928, 7943), (4888, 6383)]