31020894

素因数分解:

$2^1\times 3^5\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 75479040

約数和(自身を除く): 44458146

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 31, 54, 58, 62, 71, 81, 87, 93, 142, 162, 174, 186, 213, 243, 261, 279, 426, 486, 522, 558, 639, 783, 837, 899, 1278, 1566, 1674, 1798, 1917, 2059, 2201, 2349, 2511, 2697, 3834, 4118, 4402, 4698, 5022, 5394, 5751, 6177, 6603, 7047, 7533, 8091, 11502, 12354, 13206, 14094, 15066, 16182, 17253, 18531, 19809, 24273, 34506, 37062, 39618, 48546, 55593, 59427, 63829, 72819, 111186, 118854, 127658, 145638, 166779, 178281, 191487, 218457, 333558, 356562, 382974, 436914, 500337, 534843, 574461, 1000674, 1069686, 1148922, 1723383, 3446766, 5170149, 10340298, 15510447, 31020894]

約数ペア:

[(1, 31020894), (2, 15510447), (3, 10340298), (6, 5170149), (9, 3446766), (18, 1723383), (27, 1148922), (29, 1069686), (31, 1000674), (54, 574461), (58, 534843), (62, 500337), (71, 436914), (81, 382974), (87, 356562), (93, 333558), (142, 218457), (162, 191487), (174, 178281), (186, 166779), (213, 145638), (243, 127658), (261, 118854), (279, 111186), (426, 72819), (486, 63829), (522, 59427), (558, 55593), (639, 48546), (783, 39618), (837, 37062), (899, 34506), (1278, 24273), (1566, 19809), (1674, 18531), (1798, 17253), (1917, 16182), (2059, 15066), (2201, 14094), (2349, 13206), (2511, 12354), (2697, 11502), (3834, 8091), (4118, 7533), (4402, 7047), (4698, 6603), (5022, 6177), (5394, 5751)]