16889908

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 37662408

約数和(自身を除く): 20772500

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 49, 68, 74, 98, 119, 137, 148, 196, 238, 259, 274, 476, 518, 548, 629, 833, 959, 1036, 1258, 1666, 1813, 1918, 2329, 2516, 3332, 3626, 3836, 4403, 4658, 5069, 6713, 7252, 8806, 9316, 10138, 13426, 16303, 17612, 20276, 26852, 30821, 32606, 35483, 61642, 65212, 70966, 86173, 114121, 123284, 141932, 172346, 228242, 248381, 344692, 456484, 496762, 603211, 993524, 1206422, 2412844, 4222477, 8444954, 16889908]

約数ペア:

[(1, 16889908), (2, 8444954), (4, 4222477), (7, 2412844), (14, 1206422), (17, 993524), (28, 603211), (34, 496762), (37, 456484), (49, 344692), (68, 248381), (74, 228242), (98, 172346), (119, 141932), (137, 123284), (148, 114121), (196, 86173), (238, 70966), (259, 65212), (274, 61642), (476, 35483), (518, 32606), (548, 30821), (629, 26852), (833, 20276), (959, 17612), (1036, 16303), (1258, 13426), (1666, 10138), (1813, 9316), (1918, 8806), (2329, 7252), (2516, 6713), (3332, 5069), (3626, 4658), (3836, 4403)]