31245396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 94445568

約数和(自身を除く): 63200172

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 52, 62, 71, 78, 84, 91, 93, 124, 142, 156, 169, 182, 186, 213, 217, 273, 284, 338, 364, 372, 403, 426, 434, 497, 507, 546, 651, 676, 806, 852, 868, 923, 994, 1014, 1092, 1183, 1209, 1302, 1491, 1612, 1846, 1988, 2028, 2201, 2366, 2418, 2604, 2769, 2821, 2982, 3549, 3692, 4402, 4732, 4836, 5239, 5538, 5642, 5964, 6461, 6603, 7098, 8463, 8804, 10478, 11076, 11284, 11999, 12922, 13206, 14196, 15407, 15717, 16926, 19383, 20956, 23998, 25844, 26412, 28613, 30814, 31434, 33852, 35997, 36673, 38766, 46221, 47996, 57226, 61628, 62868, 71994, 73346, 77532, 83993, 85839, 92442, 110019, 114452, 143988, 146692, 167986, 171678, 184884, 200291, 220038, 251979, 335972, 343356, 371969, 400582, 440076, 503958, 600873, 743938, 801164, 1007916, 1115907, 1201746, 1487876, 2231814, 2403492, 2603783, 4463628, 5207566, 7811349, 10415132, 15622698, 31245396]

約数ペア:

[(1, 31245396), (2, 15622698), (3, 10415132), (4, 7811349), (6, 5207566), (7, 4463628), (12, 2603783), (13, 2403492), (14, 2231814), (21, 1487876), (26, 1201746), (28, 1115907), (31, 1007916), (39, 801164), (42, 743938), (52, 600873), (62, 503958), (71, 440076), (78, 400582), (84, 371969), (91, 343356), (93, 335972), (124, 251979), (142, 220038), (156, 200291), (169, 184884), (182, 171678), (186, 167986), (213, 146692), (217, 143988), (273, 114452), (284, 110019), (338, 92442), (364, 85839), (372, 83993), (403, 77532), (426, 73346), (434, 71994), (497, 62868), (507, 61628), (546, 57226), (651, 47996), (676, 46221), (806, 38766), (852, 36673), (868, 35997), (923, 33852), (994, 31434), (1014, 30814), (1092, 28613), (1183, 26412), (1209, 25844), (1302, 23998), (1491, 20956), (1612, 19383), (1846, 16926), (1988, 15717), (2028, 15407), (2201, 14196), (2366, 13206), (2418, 12922), (2604, 11999), (2769, 11284), (2821, 11076), (2982, 10478), (3549, 8804), (3692, 8463), (4402, 7098), (4732, 6603), (4836, 6461), (5239, 5964), (5538, 5642)]