25131522

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 31639038

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 59, 78, 86, 118, 127, 129, 177, 254, 258, 354, 381, 559, 762, 767, 1118, 1534, 1651, 1677, 2301, 2537, 3302, 3354, 4602, 4953, 5074, 5461, 7493, 7611, 9906, 10922, 14986, 15222, 16383, 22479, 32766, 32981, 44958, 65962, 70993, 97409, 98943, 141986, 194818, 197886, 212979, 292227, 322199, 425958, 584454, 644398, 966597, 1933194, 4188587, 8377174, 12565761, 25131522]

約数ペア:

[(1, 25131522), (2, 12565761), (3, 8377174), (6, 4188587), (13, 1933194), (26, 966597), (39, 644398), (43, 584454), (59, 425958), (78, 322199), (86, 292227), (118, 212979), (127, 197886), (129, 194818), (177, 141986), (254, 98943), (258, 97409), (354, 70993), (381, 65962), (559, 44958), (762, 32981), (767, 32766), (1118, 22479), (1534, 16383), (1651, 15222), (1677, 14986), (2301, 10922), (2537, 9906), (3302, 7611), (3354, 7493), (4602, 5461), (4953, 5074)]