216221368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7607}}^1$

素因数の和:7660

約数の個数: 64

約数和(自身を含む): 492998400

約数和(自身を除く): 276777032

約数列:

[1, 2, 4, 8, 11, 17, 19, 22, 34, 38, 44, 68, 76, 88, 136, 152, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 1496, 1672, 2584, 3553, 7106, 7607, 14212, 15214, 28424, 30428, 60856, 83677, 129319, 144533, 167354, 258638, 289066, 334708, 517276, 578132, 669416, 1034552, 1156264, 1422509, 1589863, 2457061, 2845018, 3179726, 4914122, 5690036, 6359452, 9828244, 11380072, 12718904, 19656488, 27027671, 54055342, 108110684, 216221368]

約数ペア:

[(1, 216221368), (2, 108110684), (4, 54055342), (8, 27027671), (11, 19656488), (17, 12718904), (19, 11380072), (22, 9828244), (34, 6359452), (38, 5690036), (44, 4914122), (68, 3179726), (76, 2845018), (88, 2457061), (136, 1589863), (152, 1422509), (187, 1156264), (209, 1034552), (323, 669416), (374, 578132), (418, 517276), (646, 334708), (748, 289066), (836, 258638), (1292, 167354), (1496, 144533), (1672, 129319), (2584, 83677), (3553, 60856), (7106, 30428), (7607, 28424), (14212, 15214)]