231485384

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{1307}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 473940720

約数和(自身を除く): 242455336

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 169, 262, 338, 524, 676, 1048, 1307, 1352, 1703, 2614, 3406, 5228, 6812, 10456, 13624, 16991, 22139, 33982, 44278, 67964, 88556, 135928, 171217, 177112, 220883, 342434, 441766, 684868, 883532, 1369736, 1767064, 2225821, 4451642, 8903284, 17806568, 28935673, 57871346, 115742692, 231485384]

約数ペア:

[(1, 231485384), (2, 115742692), (4, 57871346), (8, 28935673), (13, 17806568), (26, 8903284), (52, 4451642), (104, 2225821), (131, 1767064), (169, 1369736), (262, 883532), (338, 684868), (524, 441766), (676, 342434), (1048, 220883), (1307, 177112), (1352, 171217), (1703, 135928), (2614, 88556), (3406, 67964), (5228, 44278), (6812, 33982), (10456, 22139), (13624, 16991)]