55170388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 121746240

約数和(自身を除く): 66575852

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 89, 91, 131, 169, 178, 182, 262, 338, 356, 364, 524, 623, 676, 917, 1157, 1183, 1246, 1703, 1834, 2314, 2366, 2492, 3406, 3668, 4628, 4732, 6812, 8099, 11659, 11921, 15041, 16198, 22139, 23318, 23842, 30082, 32396, 44278, 46636, 47684, 60164, 81613, 88556, 105287, 151567, 154973, 163226, 210574, 303134, 309946, 326452, 421148, 606268, 619892, 1060969, 1970371, 2121938, 3940742, 4243876, 7881484, 13792597, 27585194, 55170388]

約数ペア:

[(1, 55170388), (2, 27585194), (4, 13792597), (7, 7881484), (13, 4243876), (14, 3940742), (26, 2121938), (28, 1970371), (52, 1060969), (89, 619892), (91, 606268), (131, 421148), (169, 326452), (178, 309946), (182, 303134), (262, 210574), (338, 163226), (356, 154973), (364, 151567), (524, 105287), (623, 88556), (676, 81613), (917, 60164), (1157, 47684), (1183, 46636), (1246, 44278), (1703, 32396), (1834, 30082), (2314, 23842), (2366, 23318), (2492, 22139), (3406, 16198), (3668, 15041), (4628, 11921), (4732, 11659), (6812, 8099)]