90437984

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2389}}^1$

素因数の和:2432

約数の個数: 72

約数和(自身を含む): 220434480

約数和(自身を除く): 129996496

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 676, 728, 1183, 1352, 1456, 2366, 2389, 2704, 2912, 4732, 4778, 5408, 9464, 9556, 16723, 18928, 19112, 31057, 33446, 37856, 38224, 62114, 66892, 76448, 124228, 133784, 217399, 248456, 267568, 403741, 434798, 496912, 535136, 807482, 869596, 993824, 1614964, 1739192, 2826187, 3229928, 3478384, 5652374, 6459856, 6956768, 11304748, 12919712, 22609496, 45218992, 90437984]

約数ペア:

[(1, 90437984), (2, 45218992), (4, 22609496), (7, 12919712), (8, 11304748), (13, 6956768), (14, 6459856), (16, 5652374), (26, 3478384), (28, 3229928), (32, 2826187), (52, 1739192), (56, 1614964), (91, 993824), (104, 869596), (112, 807482), (169, 535136), (182, 496912), (208, 434798), (224, 403741), (338, 267568), (364, 248456), (416, 217399), (676, 133784), (728, 124228), (1183, 76448), (1352, 66892), (1456, 62114), (2366, 38224), (2389, 37856), (2704, 33446), (2912, 31057), (4732, 19112), (4778, 18928), (5408, 16723), (9464, 9556)]