172972188

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 478033920

約数和(自身を除く): 305061732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 37, 59, 62, 71, 74, 93, 111, 118, 124, 142, 148, 177, 186, 213, 222, 236, 279, 284, 333, 354, 372, 426, 444, 531, 558, 639, 666, 708, 852, 1062, 1116, 1147, 1278, 1332, 1829, 2124, 2183, 2201, 2294, 2556, 2627, 3441, 3658, 4189, 4366, 4402, 4588, 5254, 5487, 6549, 6603, 6882, 7316, 7881, 8378, 8732, 8804, 10323, 10508, 10974, 12567, 13098, 13206, 13764, 15762, 16461, 16756, 19647, 19809, 20646, 21948, 23643, 25134, 26196, 26412, 31524, 32922, 37701, 39294, 39618, 41292, 47286, 50268, 65844, 67673, 75402, 78588, 79236, 81437, 94572, 129859, 135346, 150804, 154993, 162874, 203019, 244311, 259718, 270692, 309986, 325748, 389577, 406038, 464979, 488622, 519436, 609057, 619972, 732933, 779154, 812076, 929958, 977244, 1168731, 1218114, 1394937, 1465866, 1558308, 1859916, 2337462, 2436228, 2789874, 2931732, 4674924, 4804783, 5579748, 9609566, 14414349, 19219132, 28828698, 43243047, 57657396, 86486094, 172972188]

約数ペア:

[(1, 172972188), (2, 86486094), (3, 57657396), (4, 43243047), (6, 28828698), (9, 19219132), (12, 14414349), (18, 9609566), (31, 5579748), (36, 4804783), (37, 4674924), (59, 2931732), (62, 2789874), (71, 2436228), (74, 2337462), (93, 1859916), (111, 1558308), (118, 1465866), (124, 1394937), (142, 1218114), (148, 1168731), (177, 977244), (186, 929958), (213, 812076), (222, 779154), (236, 732933), (279, 619972), (284, 609057), (333, 519436), (354, 488622), (372, 464979), (426, 406038), (444, 389577), (531, 325748), (558, 309986), (639, 270692), (666, 259718), (708, 244311), (852, 203019), (1062, 162874), (1116, 154993), (1147, 150804), (1278, 135346), (1332, 129859), (1829, 94572), (2124, 81437), (2183, 79236), (2201, 78588), (2294, 75402), (2556, 67673), (2627, 65844), (3441, 50268), (3658, 47286), (4189, 41292), (4366, 39618), (4402, 39294), (4588, 37701), (5254, 32922), (5487, 31524), (6549, 26412), (6603, 26196), (6882, 25134), (7316, 23643), (7881, 21948), (8378, 20646), (8732, 19809), (8804, 19647), (10323, 16756), (10508, 16461), (10974, 15762), (12567, 13764), (13098, 13206)]