258708996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:690

約数の個数: 144

約数和(自身を含む): 811609344

約数和(自身を除く): 552900348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 157, 182, 234, 252, 273, 314, 364, 468, 471, 503, 546, 628, 819, 942, 1006, 1092, 1099, 1413, 1509, 1638, 1884, 2012, 2041, 2198, 2826, 3018, 3276, 3297, 3521, 4082, 4396, 4527, 5652, 6036, 6123, 6539, 6594, 7042, 8164, 9054, 9891, 10563, 12246, 13078, 13188, 14084, 14287, 18108, 18369, 19617, 19782, 21126, 24492, 26156, 28574, 31689, 36738, 39234, 39564, 42252, 42861, 45773, 57148, 58851, 63378, 73476, 78468, 78971, 85722, 91546, 117702, 126756, 128583, 137319, 157942, 171444, 183092, 235404, 236913, 257166, 274638, 315884, 411957, 473826, 514332, 549276, 552797, 710739, 823914, 947652, 1026623, 1105594, 1421478, 1647828, 1658391, 2053246, 2211188, 2842956, 3079869, 3316782, 4106492, 4975173, 6159738, 6633564, 7186361, 9239607, 9950346, 12319476, 14372722, 18479214, 19900692, 21559083, 28745444, 36958428, 43118166, 64677249, 86236332, 129354498, 258708996]

約数ペア:

[(1, 258708996), (2, 129354498), (3, 86236332), (4, 64677249), (6, 43118166), (7, 36958428), (9, 28745444), (12, 21559083), (13, 19900692), (14, 18479214), (18, 14372722), (21, 12319476), (26, 9950346), (28, 9239607), (36, 7186361), (39, 6633564), (42, 6159738), (52, 4975173), (63, 4106492), (78, 3316782), (84, 3079869), (91, 2842956), (117, 2211188), (126, 2053246), (156, 1658391), (157, 1647828), (182, 1421478), (234, 1105594), (252, 1026623), (273, 947652), (314, 823914), (364, 710739), (468, 552797), (471, 549276), (503, 514332), (546, 473826), (628, 411957), (819, 315884), (942, 274638), (1006, 257166), (1092, 236913), (1099, 235404), (1413, 183092), (1509, 171444), (1638, 157942), (1884, 137319), (2012, 128583), (2041, 126756), (2198, 117702), (2826, 91546), (3018, 85722), (3276, 78971), (3297, 78468), (3521, 73476), (4082, 63378), (4396, 58851), (4527, 57148), (5652, 45773), (6036, 42861), (6123, 42252), (6539, 39564), (6594, 39234), (7042, 36738), (8164, 31689), (9054, 28574), (9891, 26156), (10563, 24492), (12246, 21126), (13078, 19782), (13188, 19617), (14084, 18369), (14287, 18108)]