821304848

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43391}}^1$

素因数の和:43432

約数の個数: 60

約数和(自身を含む): 1969302528

約数和(自身を除く): 1147997680

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4732, 9464, 18928, 43391, 86782, 173564, 303737, 347128, 564083, 607474, 694256, 1128166, 1214948, 2256332, 2429896, 3948581, 4512664, 4859792, 7333079, 7897162, 9025328, 14666158, 15794324, 29332316, 31588648, 51331553, 58664632, 63177296, 102663106, 117329264, 205326212, 410652424, 821304848]

約数ペア:

[(1, 821304848), (2, 410652424), (4, 205326212), (7, 117329264), (8, 102663106), (13, 63177296), (14, 58664632), (16, 51331553), (26, 31588648), (28, 29332316), (52, 15794324), (56, 14666158), (91, 9025328), (104, 7897162), (112, 7333079), (169, 4859792), (182, 4512664), (208, 3948581), (338, 2429896), (364, 2256332), (676, 1214948), (728, 1128166), (1183, 694256), (1352, 607474), (1456, 564083), (2366, 347128), (2704, 303737), (4732, 173564), (9464, 86782), (18928, 43391)]