168977991

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 287759360

約数和(自身を除く): 118781369

約数列:

[1, 3, 7, 13, 21, 39, 61, 73, 91, 139, 183, 219, 273, 417, 427, 511, 793, 949, 973, 1281, 1533, 1807, 2379, 2847, 2919, 4453, 5421, 5551, 6643, 8479, 10147, 12649, 13359, 16653, 19929, 25437, 30441, 31171, 37947, 57889, 59353, 71029, 93513, 110227, 131911, 173667, 178059, 213087, 330681, 395733, 405223, 618967, 771589, 923377, 1215669, 1856901, 2314767, 2770131, 4332769, 8046571, 12998307, 24139713, 56325997, 168977991]

約数ペア:

[(1, 168977991), (3, 56325997), (7, 24139713), (13, 12998307), (21, 8046571), (39, 4332769), (61, 2770131), (73, 2314767), (91, 1856901), (139, 1215669), (183, 923377), (219, 771589), (273, 618967), (417, 405223), (427, 395733), (511, 330681), (793, 213087), (949, 178059), (973, 173667), (1281, 131911), (1533, 110227), (1807, 93513), (2379, 71029), (2847, 59353), (2919, 57889), (4453, 37947), (5421, 31171), (5551, 30441), (6643, 25437), (8479, 19929), (10147, 16653), (12649, 13359)]