31580692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 67882752

約数和(自身を除く): 36302060

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 137, 143, 169, 274, 286, 338, 341, 403, 548, 572, 676, 682, 806, 1364, 1507, 1612, 1781, 1859, 3014, 3562, 3718, 4247, 4433, 5239, 6028, 7124, 7436, 8494, 8866, 10478, 16988, 17732, 19591, 20956, 23153, 39182, 46306, 46717, 55211, 57629, 78364, 92612, 93434, 110422, 115258, 186868, 220844, 230516, 254683, 509366, 607321, 717743, 1018732, 1214642, 1435486, 2429284, 2870972, 7895173, 15790346, 31580692]

約数ペア:

[(1, 31580692), (2, 15790346), (4, 7895173), (11, 2870972), (13, 2429284), (22, 1435486), (26, 1214642), (31, 1018732), (44, 717743), (52, 607321), (62, 509366), (124, 254683), (137, 230516), (143, 220844), (169, 186868), (274, 115258), (286, 110422), (338, 93434), (341, 92612), (403, 78364), (548, 57629), (572, 55211), (676, 46717), (682, 46306), (806, 39182), (1364, 23153), (1507, 20956), (1612, 19591), (1781, 17732), (1859, 16988), (3014, 10478), (3562, 8866), (3718, 8494), (4247, 7436), (4433, 7124), (5239, 6028)]