31246884

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 90994176

約数和(自身を除く): 59747292

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 31, 34, 36, 51, 54, 61, 62, 68, 81, 93, 102, 108, 122, 124, 153, 162, 183, 186, 204, 243, 244, 279, 306, 324, 366, 372, 459, 486, 527, 549, 558, 612, 732, 837, 918, 972, 1037, 1054, 1098, 1116, 1377, 1581, 1647, 1674, 1836, 1891, 2074, 2108, 2196, 2511, 2754, 3111, 3162, 3294, 3348, 3782, 4131, 4148, 4743, 4941, 5022, 5508, 5673, 6222, 6324, 6588, 7533, 7564, 8262, 9333, 9486, 9882, 10044, 11346, 12444, 14229, 14823, 15066, 16524, 17019, 18666, 18972, 19764, 22692, 27999, 28458, 29646, 30132, 32147, 34038, 37332, 42687, 51057, 55998, 56916, 59292, 64294, 68076, 83997, 85374, 96441, 102114, 111996, 128061, 128588, 153171, 167994, 170748, 192882, 204228, 251991, 256122, 289323, 306342, 335988, 385764, 459513, 503982, 512244, 578646, 612684, 867969, 919026, 1007964, 1157292, 1735938, 1838052, 2603907, 3471876, 5207814, 7811721, 10415628, 15623442, 31246884]

約数ペア:

[(1, 31246884), (2, 15623442), (3, 10415628), (4, 7811721), (6, 5207814), (9, 3471876), (12, 2603907), (17, 1838052), (18, 1735938), (27, 1157292), (31, 1007964), (34, 919026), (36, 867969), (51, 612684), (54, 578646), (61, 512244), (62, 503982), (68, 459513), (81, 385764), (93, 335988), (102, 306342), (108, 289323), (122, 256122), (124, 251991), (153, 204228), (162, 192882), (183, 170748), (186, 167994), (204, 153171), (243, 128588), (244, 128061), (279, 111996), (306, 102114), (324, 96441), (366, 85374), (372, 83997), (459, 68076), (486, 64294), (527, 59292), (549, 56916), (558, 55998), (612, 51057), (732, 42687), (837, 37332), (918, 34038), (972, 32147), (1037, 30132), (1054, 29646), (1098, 28458), (1116, 27999), (1377, 22692), (1581, 19764), (1647, 18972), (1674, 18666), (1836, 17019), (1891, 16524), (2074, 15066), (2108, 14823), (2196, 14229), (2511, 12444), (2754, 11346), (3111, 10044), (3162, 9882), (3294, 9486), (3348, 9333), (3782, 8262), (4131, 7564), (4148, 7533), (4743, 6588), (4941, 6324), (5022, 6222), (5508, 5673)]