25415572

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 56814912

約数和(自身を除く): 31399340

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 131, 164, 169, 182, 262, 287, 338, 364, 524, 533, 574, 676, 917, 1066, 1148, 1183, 1703, 1834, 2132, 2366, 3406, 3668, 3731, 4732, 5371, 6812, 6929, 7462, 10742, 11921, 13858, 14924, 21484, 22139, 23842, 27716, 37597, 44278, 47684, 48503, 69823, 75194, 88556, 97006, 139646, 150388, 154973, 194012, 279292, 309946, 488761, 619892, 907699, 977522, 1815398, 1955044, 3630796, 6353893, 12707786, 25415572]

約数ペア:

[(1, 25415572), (2, 12707786), (4, 6353893), (7, 3630796), (13, 1955044), (14, 1815398), (26, 977522), (28, 907699), (41, 619892), (52, 488761), (82, 309946), (91, 279292), (131, 194012), (164, 154973), (169, 150388), (182, 139646), (262, 97006), (287, 88556), (338, 75194), (364, 69823), (524, 48503), (533, 47684), (574, 44278), (676, 37597), (917, 27716), (1066, 23842), (1148, 22139), (1183, 21484), (1703, 14924), (1834, 13858), (2132, 11921), (2366, 10742), (3406, 7462), (3668, 6929), (3731, 6812), (4732, 5371)]